RaceTec AutoTec Forged Flat Top Piston - 4.030 in Bore - Coated Skirt - Small Block Chevy - (Set of 8) 1000102 TRX1556116 5 amp single spark through DOM750-BK

RaceTec AutoTec Forged Flat Top Piston 4.030 in Bore Coated Skirt Small Block Chevy (Set of 8) 1000102 TRX1556116 5 amp single spark through DOM750 BK 5 amp single spark through high rpm┬ ¼Î“ÇáEasy to adjust mechanical advance with supplied springs and stop bushings┬ ¼Î“ÇáVacuum advance canister for improved economy (can be locked out)┬ ¼Î“ÇáCNC machined billet aluminum housing and billet aluminum base┬ ¼Î“ÇáHousing is 5 8” smaller in diameter than stock Ford distributors┬ ¼Î“ÇáMaintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range┬ ¼Î“ÇáPolished steel shaft is QPQ coated and guided by a sealed ball bearingAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction┬ ¼Î“ÇáMechanical advance assembly can be locked out for crank trigger systemsAdvance weight pins are staked and tig welded to the plateNylon pads ensure smooth operation of the advance weightsSupplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap A Dapt)Does not require an MSD Ignition ControlCARB E 12 x 12 5 16 in Backed by Experience and transformed it into one of the most successful piston manufacturers in the United States