Set of (8) Speed Pro +.030" over size Hypereutectic Flat Top Coated Pistons & Moly rings combo compatible with Chevy 400 small blocks. 4.155" Bore diameter
Compatible replacements for Chevrolet 400ci small block V-8 1970-80 - 4.155" bore (at +.030")
For use with Stock 5.565" length rods.
For blocks bored +.030" over size.
Description
This listing is for (8) Speed Pro +.030" over size Hypereutectic Coated Skirt Pistons and matching Moly rings compatible replacements for Chevrolet 400ci small block V-8 1970-80 - 4.155" bore (at +.030") Flat top with 4-valve reliefs. Good for street/strip or light race. 5/64" 5/64" 3/16" ring grooves. .927" pin diam. Stock 3.750" stroke PRESS FIT RODS ONLY! For use with Stock 5.565" length rods. Rings NOT INCLUDED.