Hastings 4.280" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Iron - 8 Cylinder 350003 and Oval & Sprint Car-racing

and Oval & Sprint Car-racing teams

13/16 in 36 Spline to 3/4 in Smooth

These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports

2007-2008 Cadillac Escalade EXT

Hastings 4.280" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Iron - 8 Cylinder 350003 and Oval & Sprint Car-racingProduct Description: Piston Rings 4. 280 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Iron Phosphate 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.