LS, GMP, 6.0-6.2, HEAD BOLTS, 1 HEAD Improved-sale Each and every PSI spring

Each and every PSI spring begins with wire that is made from the highest quality Chrome-Silicon alloys

and linear ranges of pulse widths

Linear: 312

design etc

Standard High Pressure - From the Mellings Select Range it's CNC's cast iron cover that is phosphate coated for unparalleled strength

LS, GMP, 6.0-6.2, HEAD BOLTS, 1 HEAD Improved-sale Each and every PSI springOverview GM Performance Head Bolt Set suit same length bolt style LS's Genuine replacement head bolts for use in LS engines that require same bolt lengths found in post September 2003 LS1 LS6 Vehicles, and all 6. 0 and 6. 2 Litre LS engines For LS1s that require staggered length head bolts to suit pre September 2003 vehicle please go here Note: These are Sold Individually, 2x required to do 1 Engine Details GM torque to yield head bolt set for the