The Enginetech RCC254AP Engine Rebuild Kit is a complete overhaul package for the 2003-2005 GMC 254 4.2L V6 (256 cid), machined to a 3.690" finished bore (.030" over bore).
Kit contents:
- P5012(6) - Piston Set
- S93156 - Piston Ring Set
- BB157J - Bearing Set - Rod
- BC117J - Bearing Set - Main
- GM254HS-A - Gasket Set - Head
- GM254CS-A - Gasket Set - Lower
- TS1168 - Timing Set
- EK322 - Oil Pump Repair Kit
Component specifications:
- P5012(6) - Pistons: Dome top. 1.189 Compression Height. Hyper. Coated skirt
- S93156 - Piston rings: Premium. Steel top. 1.2 x 1.5 x 2.5mm ring stack
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 2003-2005 4.2L 256 V6 engines for Chevy Trailblazer, Chevy Trailblazer EXT, GMC Envoy, GMC Envoy XL, Buick Rainier, GMC Envoy XUV, Oldsmobile Bravada, 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
