Sm420 transmission for sale

Jul 14, 2024
1967 GMC SM420 Transmission for a Chevrolet C50. $1,250 USD. (USED) GM SM420 Assembly#: 3761930 Input Lgth: 6.75 Input Dia: VERIFY Pilot Dia: VERIFY INPUT DIAMETER 1.10, PILOT DIAMETER 0.58, SOME TOOTH WEAR. Condition..

The SM420 isn't going to get you going any faster than your current tranny. The 4th gear in it is a granny or stump puller LOW gear. It's the type of tranny that's …Re: 5.3/6.0 into TF with SM420? why not get a late model 5-speed or 6-speed truck transmission. Plenty out there bolted in trucks, look at the 2500's. Granted in . you may even get one from behind a 5.3 or 6.0 and get the complete driveline. 5-speed is option MW3, 6-speed is option ML6.Aug 30, 2007 · 69 FJ40 383 Stroker SM420 3Speed Toyota T-Case SOA ARBs 35 MTRs and more 92 4Runner 3.Slow Auto Stock T-Case 4.88 ARBs 33 12.50 X-Terrains 8000LB Warn ARB Front Bumper Roof Rack Snorkel 06 Sherpa Overlander Rooftop tent ARB Fridge 02 Suzuki Bandit 1200As the owner of an H41, this is highly tempting. Much better off road transmission than H42. Good luck with sale. I could see this tranny, and a split case with 4:1 low range. Nice short combo for FJ40. ... SM420, Orion/custom twin sticks by Georg 1976 FJ40 gone 1984 FJ-60 H41, Toybox, 4.56/ARB front, Harrop locked rear, SOA, 80 …Manual Transmission for 1967 GMC 3500 Pickup Remanufactured, and rebuilt Transmissions available. Call Now (888) 242-2605! ... MT, 4 speed, Muncie SM420 Change Options. r-t-n_75821. Remanufactured. Out of stock. Transmission: r-t-n_75821 . Condition: Remanufactured: Price: Out of stock: Warranty: Up to 60 Months * Flat Rate Shipping (Commercial ...Chevrolet's Turbohydramatic transmission line is the next transmission progression from the Chevy Powerglide, a reliable transmission first offered in the 1960s. When the Powerglid...SM420 factory style build: $1750. SM420 to GM engines, with a Novak transfer case adapter assembly, including pilot bushing, a new straight shifter stick and urethane mount: $2250.New Listing TH400 Automatic Transmission Shifter Kit 16 Single Bend fits lokar k (Fits: 1949 Chevrolet Truck) Brand New: American Shifter Company. $445.95. Free shipping. or Best Offer. 1947-59 Chevy Truck Column Shift Transmission Linkage TH350 TH400 Turbo 350 400 (Fits: 1949 Chevrolet Truck) Brand New.USED GM SM420 Transmission for Sale. Cast#: 591907 Email Us ... GM SM420 Transmission - 591907 Price: 350.00. Continue Shopping View Cart. ALSO OF INTEREST.Look at this 1959 GMC SM420 Transmission for a Chevrolet C60 for sale in Iowa for $1,250.00 USD. View photos, details, and other Transmissions for sale on MyLittleSalesman.com. Stock # 25548733, MLS # 12526115These adapters fit a large number of GM transmissions, from the 700R4 Automatic 4WD to the TH350 Automatic 2WD, and suit transfer cases ranging from stock Jeep models to aftermarket models, like Advance Adapters' Atlas 2, so you can find an adapter that fits your exact needs. ... Muncie SM420 Manual 2 Wheel Drive GM 1947-1968 (5)Basically, there's a short driveshaft in between. 465 to 205 adapter is 7" long. A 465 to 203 adapter is 4" long but the 203 is considerbly longer than a 205. A 205 is appx 12.5" in length and a 203 is appx 20.5" in length. best bet is a 205 behind the 465 all the way around.Classifieds - Parts Classifieds - Body/Exterior/Armor Classifieds - Axle/Suspension Classifieds - Engine/Transmission/Transfer CaseZF 5 Speed Transmission. $ 3,095.00 Original price was: $3,095.00.$ 2,195.00 Current price is: $2,195.00. ZF 5 Speed transmission super sale! The ZF 5 Speed is a specimen of German excellence. Developed by the German manufacturer ZF Friedrichshafen Engineering in the year 1987, this transmission became the premiere manual for all F-series ...NV4500 Transmission. The NV4500 or New Venture Gear 4500 is a heavy-duty, manual shift, five-speed overdrive, longitudinally positioned transmission. ... T18, SM420 or NP435) is not a lot better. Choosing the right axle ratio and tire size in conjunction with the right transmission is a smarter strategy than using overdrive as a patch to the ...This 5 piece Transmission Gasket Set fits the 4 speed Muncie SM420 transmissions with the cast iron case for General Motors 1948-67 trucks. Best set #10062. Made in the USA! 1948-67 GM Trucks Muncie 4 speed SM420 Transmission Gasket Set. Makes: GMC, Chevrolet, Pontiac, Buick, Oldsmobile,137 sold. Transmission Rebuild Overhaul Kit GM Chevy SM420 Rockcrawler. Brand New. 5 product ratings. C $239.17. Top Rated Seller. Buy It Now. usa.industries (104,738) …TR4050. TR4050 Tremec 5-speed GM 2WD Transmission. $ 3,395.00. Fits: 1500 & 2500-Series Truck Chevrolet/GMC. NV4500 bolt pattern. Torque rating 600lb-ft. Right side PTO – 6 Bolt. Chrysler/Jeep Transfer case bolt circle. High-contact constant-mesh helical gears.47-67 C60 Chevy Grain Truck SHIFT KNOB SM420 transmission 4 speed 1 1/2 ton 2022. Part Number Used from 1947-67 big heavy trucks is a used GM shifting part for the Chevrolet Chevy. Item #: PR-364912332454 ... The SM420 is found inGM trucks, buses, heavy equipment and various military application. Actual item you will receive.The SM420 is the old Chevy heavy duty granny four speed. Of all the heavy duty granny transmissions, it has the lowest first gear and a particularly short overall length (the Jeep T-18 is the shortest when you add transmission to transfer case adapter.) Another big adantage of this transmission is it's input bearing retainer size and input ...Up for sale is practically everything you need to give your Land Cruiser a SM420 transmission: Completly Rebuilt SM420 Transmission w/ FJ40 Land Cruiser 3-Speed Transfer Case Adapter Installed. All work done professionally by Ridge Transmission. -$600 Brand New In Box Advanced Adapters FJ40 tranfer case crossmember. -$150I have an sm420 tranny that has the i.d. number:95948. It is off a 1967 3/4 ton so it has a back-up switch. On This tranny, reverse is to the passenger and down. Is this normal? 1964 c-10. Re: sm420 shift pattern. 65sixbanger # 496670 Fri Jan 23 2009 05:51 AM. Joined: May 2005. Posts: 8,893.California. S. stovebolt2355 OP. Wrench Fetcher. I have a SM420 Transmission in a '59 Apache. Since installing the transmission last October I have had 2 cases when the shifter handle disengages from the shifting arms inside the transmission. This occurs when shifting from 2nd going to reverse. The transmission will then "lock up" so you can ...If you have a decent bearing supply shop in your area, take any of the old bearings that you don't trust to them, let them measure (or read the old numbers) and get replacements. This worked well for me. Re: 1947 chevy 4 speed unsyncronized transmission question about rebuilding. Zach B # 955923 Thu Jul 11 2013 10:58 PM.Condition: used, spins freely. untested condition Description: This is an SM420 4 speed manual transmission that came out of a 1952 gmc 1 Ton pickup truck. i believe this was used in gm vehicles from 1948 to 1967 however i encourage you to do your own research as well as reference the part number, 591907, to ensure fitment and condition before purchase.T18 Jeep CJ T18 Transmission Dana 20 Transfer Case 6.32:1 FREE SHIPPING + CORE. Opens in a new window or tab. Remanufactured. $1,795.00. piercranc-0 (243) 100%. or Best Offer. Freight. 17 watchers. New Dana 20 Transfer Case shift rail detent ball plugs 1972-1979 Jeep C5 CJ7. Opens in a new window or tab. Brand New.Complete and functionally operable General Motors Muncie SM420 Transmission, with the original stick-shifting link complete with knob. This transmission was removed from an operating 1953 stepside 3100/half-ton Pickup truck. The functioning 4-on-the-floor transmission was replaced with a 3-on-the-tree transmission during restoration.Price: 220 $. Product condition: Used. See details. Sm420 transmission reverse. Sm420 transmission reverse. This reverse idler shaft · A countryregion of manufacture of the type united states · This object are a vintage part. Used here in Usa ¬. Martinton. eBay.Regards, Remington. It bolts between the bellhousing and the transmission. It is about 7" long and has a 27% overdrive. I'll ship it to you for $50 to your door via fedex ground. I have a TH400/NP203 available to me locally from a friend that I am looking at picking up.NOS SM420 Transmission Reverse Idler Gear 1964 67 Chevy GMC Truck Pickup 3837338. Opens in a new window or tab. New (Other) C $67.65. Top Rated Seller Top Rated Seller. or Best Offer. hiddenurbantreasures (235) 100%. from United States. Sm420 Transmission windage tray. Opens in a new window or tab. Pre-Owned.As noted in the manual that Tim has link to, the level. should be about 1/2" below the hole when the oil is cold. Stick your pinky finger in and you should be able to. touch the oil. Don't over fill, it will expend when hot to the bottom of. the fill hole. dg.Start selling today. Browse GMC SM420 Transmissions For Sale near you on MyLittleSalesman.com. Find the best priced used GMC SM420 Transmissions by …Find fresh ads in Auto Parts Sale in Janesville, WI. New listings: Reese Towerpower 16k fifth wheel hitch $350, 1971 - 1974 AMC AMX GRILL TUB RESTORED $2 250. POST AD FREE. Free Local Classifieds . ... I have 5 turbo 400 4X4 transmissions. $150 each Price: $150.00. City: Janesville, WI. Posted: 70-81Camaro Z/28 Chevelle SS WHEELS $650 ...Original 1975 Landcruiser 4-speed transmission works fine over 100,000 miles, going to a SM420 so it needs to go. Ranger III Overdrive, adapts a Chevy 350 bell housing to cruiser 4-speed, bought new from Advanced adapters. ... ($150). My plans have since changed and the rear plate for sale as well. So this overdrive will work for an sm420. In ...Basically, there's a short driveshaft in between. 465 to 205 adapter is 7" long. A 465 to 203 adapter is 4" long but the 203 is considerbly longer than a 205. A 205 is appx 12.5" in length and a 203 is appx 20.5" in length. best bet is a 205 behind the 465 all the way around.Screws wire springs plastic shapes switches transformers are all kept in my garage stock for project tinkering. -s. Re: Muncie sm420 transmission top shaft detent spring. 2ManyTrucks # 1392610 Thu Jan 14 2021 02:48 AM. Joined: May 2015. Posts: 8,077. Eagle River, Alaska. klhansen. Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body ...SM420 with adapter for sale - pick up only in North West Arkansas A SM420 4 speed (7.05:1 first gear) with a Land Cruiser transfer case adapter plate installed. It also comes with a bellhousing and starter for a small block Chevy. It was mated to my 10 spline stock 3 speed transfer case on...Mar 17, 2021 · The SM465 is a four speed, RWD or 4WD transmission. The SM465 is a Muncie engineering design, this transmission is a top loader, tower shifter with a non synchronized granny low 1st gear. 2nd through 4th gear uses brass syncro rings, bushings are used under all gears on the main shaft. 3rd and 4th gear are the only gears removable from the ...OEM GM MUNCIE Transmission SM420 top shift cover shifter fork. $100.00. restoredtoo (4,015) 99.6%. or Best Offer. Free shipping. Last one. 1 watchers. Results matching fewer words. Transmission Rebuild Overhaul Kit GM Chevy SM420 Rockcrawler. Opens in a new window or tab. Brand New. 4.5 out of 5 stars.Later versions use a pinned flare and o-ring design for these fluid circuits. The key distinction of the 700R4 / 4L60 / Early 4L60-E (from the Later 4L60-E) is the four bolt rear output or tailhousing / adapter pattern. The Later 4L60-E has a six bolt "hex" rear bolt pattern and a removable bellhousing. There are three main castings of the 700R ...This is a transmission rebuild kit for a GM/Chevy Truck with a 4 speed SM420 Transmission Identify this Transmission by 1 PTO opening! This transmission has an iron case that is 10.5" overall length with a cast iron top cover! This Transmission usually comes in the 48-67 GM 1/2, 3/4 Ton or 1 Ton. ...Parts for the SM465 Transmission. The SM465 is arguably one of the greatest four-speed transmissions ever built, and reconditioning one is a worthwhile project. The Kit . Our master rebuild kit has been assembled for our customer's rebuilds as well as our own. It is the most complete kit we've seen anywhere and features all the consumable and wear item components for both the main case and top ...The manual transmission is virtually extinct from the line-up of GM trucks and most cars now. The famous 5.3L Vortec has never been available with a manual transmission option. Only the 4.8L and 6.0L Vortecs featured manual transmission options and therefore a factory flywheel, whose neutral balance does match the 5.3L and other Gen. III+ engines.Mike B. 'Bolter. Welcome to the Stovebolt. When viewing the rear of the transmission is there a a square or round peg at the 9-o'clock position (drivers side). If …Whether you simply need a place to park it outside for a couple of weeks or are looking for a second garage to store your classic car, a self-storage facility near you may have exactly what you need. Find Storage. View All Resources. SM420 Transmission and Rockwell T221 Transfer Case for sale in MC KEES ROCKS, PA, Price: $300.Sm420 out of a 51 chevy truck, not original though. Updating drive line and replacing. ... Home Forums > The H.A.M.B. Marketplace > Classifieds > Parts For Sale > SM420 Transmission. Discussion in 'Parts For Sale' started by ottos51, Feb 28, 2015. Joined: Apr 12, 2014 Posts: 24. Profile Page. ...The Saginaw 3-speed transmission from General Motors is one of the most popular and widely used transmissions in the racing and rodding industry. ... efficiently and without any hassles. With 108 Saginaw 3-Speed Parts for sale, we guarantee your satisfaction with these parts for your build. We offer selections from reliable brands like Speedway ...Shop our large inventory of New/Rebuilt/Used GM SM420 Transmissions for sale online. Enjoy our hassle-free online checkout or call to speak to an expert. Manufacturer (All) …SM420 top covers!! While waiting - almost patiently (2+ ft of snow this weekend - so far has help!!:flipoff2: ) - for the shims for my idler cluster to come in from the Toyota dealership, I messed around with the top covers. I wanted to disassemble them and combine some parts. The shift forks on the older SM420 were in better shape than the ...GM SM420 PTO for Sale. Email Us Call Us 888.940.5030 Log In/Register 0. Log In/Register. Cart. Home. 888.940.5030 ... GM SM420 Transmission - Used $1250.00 Add To Cart. GM SM420 Transmission - Used $1250.00 Add To Cart. Specifications. ... transmission and rear end rebuilding and installation performed by the best component rebuilder in Iowa ...SM420 grinds on shifting. SM420 behind a mildly warmed up 283, adapted to a Dana 18 with a Warn OD. I know it's a non synchro first, but the rest should be synchronized. I popped the top cover off and all shift dogs and synchro rings are still in place, and I checked my clutch to make sure it was disengaging all the way.Genuine Made in Japan Honda 91215-689-013 Oil Seal Shift Rod Jdm OEM. $13.99. Trending at $18.95. Find many great new & used options and get the best deals for Muncie SM420 Transmission GM 4 Speed GMC at the best online prices at eBay! Free shipping for many products!item 1 Complete Bearing & Seal Kit Transmission GM Chevy SM420 Rockcrawler (BK108) Complete Bearing & Seal Kit Transmission GM Chevy SM420 Rockcrawler (BK108) $165.00. ... Same as other from national "big name" supplier priced on sale for $189.00. Great quality & value. Verified purchase: Yes | Condition: New. 5 out of 5 stars. by ...Look at this 1959 GMC SM420 Transmission for a Chevrolet C60 for sale in Iowa for $1,250.00 USD. View photos, details, and other Transmissions for sale on MyLittleSalesman.com. Stock # 25548733, MLS # 12526115Sm420 out of a 51 chevy truck, not original though. Updating drive line and replacing. ... Home Forums > The H.A.M.B. Marketplace > Classifieds > Parts For Sale > SM420 Transmission. Discussion in 'Parts For Sale' started by ottos51, Feb 28, 2015. Joined: Apr 12, 2014 Posts: 24. Profile Page. ...I have for sale this SM420 transmission. It was sold to me as being freshly rebuilt with zero miles. I cannot confirm this but it is consistent with the other items I bought at the same time. I do not need it for my current project so it is for sale. Comes with the shifter but no knob.Full Bellhousing Kit. Some SM420 transmissions have a shift rail protrusion that will interfere with AMC bellhousings. This pocket is machined to provide clearance along with the correct pattern to bolt up the transmission. Kit 420AMC-M, adapting SM420 transmissions to AMC I6 & V8 engines, bellhousing, retainer & pilot bushing.1112 posts · Joined 2002. #1 · May 4, 2003. I have a sm420, and I am gathering info. I did several searches, and I can not find any posts regarding shift tower issues. My trans looks to have the original top, as I scraped about an inch of crap just to get to the top cover bolts. Here is the problem I have, the hand shifter seems to be locked ...Dec 17, 2006 · Near new SM420 for sale. Bought Brand New from Army Surplus. Unlike most SM420’s for sale that were used and abused in big dump trucks and then put into Cruisers. 15k miles on it. Works great! $550 [email protected] 303-972-9074. Last edited: Dec 17, 2006.This is supposedly a photo of the earlier transmission [ s807.photobucket.com] (note the reverse-lever near the top of the shift-lever/handle) Here is the location of the SM420's date casting-code. [ members.cox.net] H3061 H = Aug 30 = 30th day 61 =1961 This code is near the top of the driver's side of the case (I cannot …If you had an emergency happen today, how would you pay for it? The purpose of an emergency fund is to cover your costs in case of an emergency. Home Save Money Emergencies happen...Muncie sm420 speed manual transmission with Spicer pto for Sale in Peoria, AZ OfferUp USA Standard Manual Transmission Small Parts Kit NV4500 CCP MW 16TS SM420 four speed transmission, with bell housing, clutch disc, and I believe it came from a 66 Chevy half ton Leave ap***l (418) Past 6 months. Verified purchase. Item as described. Great seller and fast shipping as well. See all feedback. This is a professionally rebuilt Turbo 400 (TH 400 THM 400) Automatic Transmission that will work behind any 1967-1992 4.3L V6, 5.0L V8, 5.7L 350 V8, 7.4L 454 or other GM, Chevy and GMC applications.GM NV3500 Jeep NV3550 Rebuild Kit, BK235E. GM NV3500 - Jeep NV3550 Transmission Bearing Kit, BK235E. Our Price: $145.00. (4) Add To Cart. NV3500 NV3550 Rebuild Kit with 30mm Counter Bearings, BK235GWS. NV3500 NV3550 Transmission Bearing Kit with Synchro Rings, BK235GWS. Fits Chevy Dodge Jeep NV3500 NV3550.The transmission retainer has a diameter of 4.686. When the SM420 was replaced by the SM465, the retainer diameter was enlarged to 5.125". Advance Adapters offers a reducer ring under part#716041 if the SM420 is used with the larger bored SM465 bell housing. The transmission can further be identified by a driver side PTO port.Page of 1. SM420 4 Speed Bearing Kit 1954-1967 Pickups, BK108. SM420 Transmission Bearing Kit, BK108. Our Price: $169.00. (4) Add To Cart.Mar 17, 2022 · The side plug is your fill level. Run the truck in second gear for a minute or two. Drain and fill with 90 weight gear oil till it starts to come out the side plug. The fill level does seem low, but it get the lower gears in the lube and splashes the rest of the gears and bearings for lubrication.No reviews yet Write a Review. $12.98. SKU: 30338. Condition: New. Shipping: Calculated at Checkout. Availability: Special Order Only-Usually ships within 3-5 business days.Up for grabs we have this 1960s Chevy Truck C60 4x2 SM420 Manual Stick Shift 4 Speed Transmission! $500.00 View Details. 86 and newer CHEVROLET gmc TRUCK 350 FLYWHEEL CAST #14088673 gmc 2 ton c60 c70. ... Used Auto Parts for Sale. PartRequest.com is the Internet's leading used auto parts locator.Powersports SALE - Save Up to 10% Off Select Powersports Parts! Filters. ... Transfer Case Adapter, GM, SM420 Transmission, Dana 18/Dana 20 Transfer Case, Kit. Part Number: ADD-50-2401. Not Yet Reviewed. Estimated Ship Date: Jul 8, 2024 if ordered today. Free Shipping; Special OrderThe SM420 is the older heavy duty, granny, 4 speed transmission used in Chevy and GM trucks. The large cast iron case with large bulge on the passenger sidemakes it easy to identify. It is an ...

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That Hurst 4 Speed Shifter Chevelle. Palm Bay, FL. $1,750. Gm 4 Spd t10. Fulton, MD. $1,500. Later Style Muncie M20 Four Speed. Prescott, AZ. Muncie 4 Speed & GM Manual Transmissions Buy Sell Trade.

How Chevrolet's Turbohydramatic transmission line is the next transmission progression from the Chevy Powerglide, a reliable transmission first offered in the 1960s. When the Powerglid...For adaptors between the transmission and t-case, there are two main types; the "plate" style and the "spud shaft" style. Most of the swaps of the SM420 into FJ40s with Toyota I-6 engines have used the short-in-length, low-in-cost plate adaptor. For use with the shorter SBC V-8 the spud shaft style adaptor from AA might work better.SM420 oil capacity. I looked up the capacity on line for a SM420 and found that the transmission is said to hold 5.5 quarts. I drained the fluid and collected 3 quarts. Put in the drain plug and took out the fill plug (on the side), removed the shift lever and refilled. 3 quarts in and I have a drip out of the side fill plug hole. Is the ...SM420 top covers!! While waiting - almost patiently (2+ ft of snow this weekend - so far has help!!:flipoff2: ) - for the shims for my idler cluster to come in from the Toyota dealership, I messed around with the top covers. I wanted to disassemble them and combine some parts. The shift forks on the older SM420 were in better shape than the ...Muncie SM465 transmission. The Synchro-mesh 465 or SM465 is a heavy-duty, four-speed manual transmission built by General Motors for use in light and medium duty trucks from 1968 to 1991 at the factory in Muncie, Indiana; it was designed to replace the somewhat similar Muncie SM420 transmission, which had been in production since just after ...

When SM420 4-Speed, RWD Standard Manual Transmission Bearing, Gasket and Seal Kit. Iron Case, Iron Top Cover, Case Has one PTO Cover.1960-1967 Chevrolet Pickup and Van 305Ci1960-1967 Chevrolet Pickup and Van 351Ci1965-1967 GMC Stepvan 194Ci1965-1967 GMC... Part #: BK108. $176.99.The SM420 is fully synchronized in the second through fourth gears. All gears are helically cut except first and reverse, which are spur gears Never married to nor compatible with the NP205. The "SM" in the transmission's designation stands for Syncrho-Mesh SM465 Length: 12" long Height: 18" Weight: 175lbs Case: Cast Iron Top …SM420 SM465 NP435 T176 T177 TRANSMISSION SHIFTER REPAIR KIT (SLR176K) TPD PRO-LINE. SKU: SLR176K | UPC: 0698231560280. Condition: New. Availability: Usually ships in 24 hours. ……

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goodyear wrangler with kevlar 4-Speed Transmissions. The SM-420 4-speed transmission was produced by General Motors between the years of 1947 & 1967. It was the standard transmission for GMC 2500, 3000, 3500 & 4000 series Trucks, & an option for 1000 & 1500 series trucks. There was no option for any other transmission in GMC 2500 & 3000 Series Trucks. lane shark mowerfederal bureau of prisons search SM420 top covers!! While waiting - almost patiently (2+ ft of snow this weekend - so far has help!!:flipoff2: ) - for the shims for my idler cluster to come in from the Toyota dealership, I messed around with the top covers. I wanted to disassemble them and combine some parts. The shift forks on the older SM420 were in better shape than the ...Here is a setup with SM420 transmission and New Process 205 transfer case. Owner died before project was finished. ... I am not very knowledgeable on these items. Also have other parts for sale. post id: 7747022907. posted: 2024-05-14 17:28. ♥ best of . Avoid scams, deal locally Beware wiring (e.g. Western Union), cashier checks, money orders ... davidson county juvenile court nashville tnfreightliner check transmission lightmontana road cameras on i 90 Look at this 1959 GMC SM420 Transmission for a Chevrolet C60 for sale in Iowa for $1,250.00 USD. View photos, details, and other Transmissions for sale on MyLittleSalesman.com. Stock # 25548733, MLS # 12526115The Factory put the SM420's behind SBC's in the late 50's. I run one in my '56 wrecker with a 350 and it does just fine, but like others have said, I only use first gear when pulling a hill with a load. Mike B. Mike Boteler. 1956 Chevy 3100 Resto Rod [ stovebolt.com] 1956 8400 Wrecker w/Holmes 525 [ stovebolt.com] leaked videos xnxx I have a GM SM420 4 speed transmission for sale. Great for V8 Conversions. Local pick up in Colorado prefered. I can ship it but it weighs almost 200 lbs. Probably pretty expensive to ship. e-mail me at [email protected] if you want me to send some pics or any other information. Asking $150.00 obo. emission testing pontoon beach ilkohl's amazon drop off storeselmo wheels on bus All bellhousings have the standard GM bolt pattern on the rear/transmission side. The large 5-1/8” bore are specifically used with the SM465. Most other transmissions will use the small 4-11/16” bore version. A large bore can be stepped down with our BR4 centering ring available below. 5-1/8” bore versions.From $600.99. Seeking better performance and fuel efficiency is an ongoing journey for many jeepers, with a variety of upgrades and modifications that all contribute to this goal. Engine and transmission mods and replacements are commonly turned to as a (read more)