LS, GMP, 5.7, HEAD BOLTS, 1 HEAD 62 mm ignition timing and HP loss/reduction

ignition timing and HP loss/reduction

Replacement fascia panel brackets to suit VF models

Does NOT suit LSA Fitted Vehicles

Body and hood panels sewn cross-grain to limit shrinkage & shortening after wash

and service life you expect from General Motors

LS, GMP, 5.7, HEAD BOLTS, 1 HEAD 62 mm ignition timing and HP loss/reductionGM Performance Head Bolt set suit staggered bolt style LS1's Genuine replacement head bolts for use in LS engines that require staggered bolt lengths found in pre September 2003 Vehicles. For LS1 LS6's that require all same length head bolts, post September 2003 please go here **Please note these are Sold Individually 2x required to do 1 Engine**