Speed Pro Hypereutectic Coated Skirt 10.5cc Dome Piston Set of (8) compatible with Chevrolet Chevy BB 454 7.4 7.4L +.030" Over Bore 4.280" Bore diameter.

Description

This listing is for a set of (8) Sealed Power H426CP +.030 Pistons Hypereutectic Dome 4.280" Bore Chevy. This is for Pistons ONLY, NO Rings! These are compatible replacements for Chevrolet Chevy BB 454 7.4 7.4L Speed Pro Hypereutectic Bore: 4.280" (at +.030"); Piston Style: Domed head .100" high (10.5cc); Comp Distance: 1.640". For stock 4.000" stroke crankshaft and stock 6.135" length connecting rods; DurOshield Coated Skirts. 1971 Car 454-LS6 with open chamber heads - Use in sets only. Appx Compression Ratio (w/+.030" bore): w/106.9cc chambers 9.37:1, w/109.4cc 9.19:1, w/116.9cc 8.69:1, w/119.0cc 8.56:1