LS, GMP, 5.7, HEAD BOLTS, 1 HEAD V8 resulting in horsepower loss and

resulting in horsepower loss and excessive engine wear

x1 K&N Performance Air Intake

K&N 99-0640 is a 5 US gallon container of Power Kleen air filter cleaner

You may also require a slightly longer drive belt

and a VCM Suite-compliant computer with the latest version of VCM Suite BETA

LS, GMP, 5.7, HEAD BOLTS, 1 HEAD V8 resulting in horsepower loss andGM 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**