The Enginetech RCO307A Engine Rebuild Kit is a complete overhaul package for the 1985-1990 Oldsmobile 307 5.0L V8 (307 cid), machined to a 3.860" finished bore (.060" over bore).
Kit contents:
- P3087(8) - Piston Set
- R38058 - Piston Ring Set
- BB604J - Bearing Set - Rod
- BC314J - Bearing Set - Main
- CC410 - Bearing Set - Cam
- O307-A - Gasket Set - Full
- TS498 - Timing Set
- EP22F - Oil Pump
- PK25 - Expansion Plug Kit
Component specifications:
- P3087(8) - Pistons: D shaped dish top. 1.605 Compression Height. Hyper. Coated skirt
- R38058 - Piston rings: Cast. 5/64 5/64 3/16 ring stack
- EP22F - Oil Pump: gear-type (spur gear), cast iron housing, standard volume / standard pressure, 2-bolt mount
Bearing sizing: Select your rod and main bearing size. Rod and main bearings are supplied at the same size; contact us for different or split sizes.
Fits 1985-1990 5.0L 307 V8 engines for Buick LeSabre, Oldsmobile Custom Cruiser, Buick Electra, Cadillac Brougham, Chevy Caprice, Oldsmobile Cutlass Supreme, Pontiac Safari, Oldsmobile Cutlass Salon, and more. Verify fitment for your specific vehicle.
WARNING: This product may expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov
