LS, GMP, 5.7, HEAD BOLTS, 1 HEAD V8 Comes with a chrome-topped conical

Comes with a chrome-topped conical K&N high-flow air filter

you must purchase Pro Feature Set to be able to use a PROLINK+ cable

which is considered a structural member of the engine block and is less prone to failure or leaking than aftermarket sheet metal pans

Interchange Part Number: 12614973 9359409 16187556 16249939

LS, GMP, 5.7, HEAD BOLTS, 1 HEAD V8 Comes with a chrome-topped conicalGM 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**