73-87 Chevrolet Chevy C10 K10 Truck GMC Pickup 4 Speed Manual SM465 Shifter $124.99 $24.80 shipping or Best Offer c-154754 speed manual transmission chevrolet & mopar 1979 1980 1969 ... The suffix code for. Get the best deals on Manual Transmissions & Parts for Chevrolet C10 when you shop the largest online selection at eBay.com. Free shipping. The casting number 3925660 denotes this as a 1968 - 1970 Muncie with a 1-inch cluster shaft. In order to correctly identify a Muncie four-speed transmission , several visual clues are needed, and those cues involve the casting numbers on the case, side cover, and tailshaft. For years companies have offered fairly comprehensive manual transmission packages. They include the transmission, bellhousing, clutch, shifter, even master and slave cylinders. However perfecting the pedal ratio, selecting the correct bore master cylinder, and mounting everything correctly leaves too much room for e ... Home 1 › 1973-87 C10. Sponsored By: Here you will find many specs for all 73 - 87 C and K series Chevy and GMC trucks, and. 73-87 c10 cupholder works with manual transmission installs in ashtray laser cut Opens in a new window or tab. Brand New. $72.00. Buy It Now. Free shipping. ... 1 product rating - Behind Seat Speaker Brackets for 73-87 Chevy C10. 73-87 Transmissions /Engines: 1 1 1973-1987 CHEVY TRUCK TRANSMISSIONS 1 RPO: TRANSMISSION TYPE: RATIOS: ZW4 ( 73 -80) M15 (81-84) MM3 (85-?) All these were the same, only code changed. 3 Spd. Manual ... Manual w/O.D. 89mm: 3.09, 1.67, 1.00, . 73 : M38 (TH350) MV4 (TH350C) MX1 also used. 3 Spd. Auto. 3 Spd. Auto w/lockup TCC. angular count up.