Feature(may vary by option.)

●Click ON CORRECT OVER SIZE NEEDED BEFORE PLACING IN CART
●For Chevy 454 Stock length 6.135" rods and Stock 4.000" stroke.
●.989" pin dia. Weight matched to Plus/Minus 2 grams
●Hastings or Mahle Rings depending on availability!

[+.030 or 4.280 Bore Diameter]

Description

Speed Pro Hypereutectic Coated .100" (+10.5cc) tall high Dome, 1 valve relief Pistons+MOLY Rings Kit compatible replacements for Chevy 454. H426CP standard (4.250" Bore diameter) plus a moly ring set (Hastings/Perfect Circle/MAHLE) P/N H426CP-KIT. For stock length 6.135" rods and Stock 4.000" stroke. This set is for Standard 4.250" Bore engines.