SRP 502 Replacement Series Forged Piston Set - 4.500" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 1.0 cc CJ-MID They must be used with

They must be used with Edelbrock or stock throttle body

mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing)

1995-1999 Mercury Mystique

Works With Most Aftermarket Controllers

SRP 502 Replacement Series Forged Piston Set - 4.500" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 1.0 cc CJ-MID They must be used withProduct Description: Piston 502 Replacement Series Forged 4. 500 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Plus 1. 00 cc Big Block Chevy Set of 8 SRP pistons are designed and manufactured using the same knowledge, expertise, and quality control that professionals rely on from JE Pistons. The materials and manufacturing processes that are specific to SRP pistons allow us to offer the best possible products at very affordable prices. The SRP line is