ProTru by Wiseco Pro Tru Street Series Forged Piston Set - 4.110" Bore - 5/64 x 5/64 x 3/16" Ring Grooves - Plus 8.60 cc - AMC V8 1970-78 (Set of 8) 2070067 Infinitely adjustable Vernier sprocket for

Infinitely adjustable Vernier sprocket for absolute timing accuracy

and are double magnafluxed

Flow bench tested for peak airflow

New mounting tabs for added durability & cleaner mount

Ford: Galaxie 63 - 67 7 L Engine

ProTru by Wiseco Pro Tru Street Series Forged Piston Set - 4.110" Bore - 5/64 x 5/64 x 3/16" Ring Grooves - Plus 8.60 cc - AMC V8 1970-78 (Set of 8) 2070067 Infinitely adjustable Vernier sprocket forProduct Description: Pistons and Rings Pro Tru Street Series Forged 4. 110 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 8. 60 cc AMC V8 1970 78 Wiseco Pro Tru is a division of Wiseco specializing pistons and piston rings for price conscious engine builders. They offer complete kits to fit a wide range of engines. Manufactured by Wiseco Performance Products, ProTru Forged Pistons are affordable with features usually found only in more expensive