LS1/LS6 Heads/Cam Swap Bolt & Gasket Kit, GM Heads/Cam Swap Bolt & Gasket Kit, 98-02 LS1 Camaro/Firebird Included in this kit: GM MLS 3.91" Head Gaskets (Pair) (8544) GM Head Bolts (Set) (8545 x 2) GM Timing Cover Gasket (3904 or... MSRP: Was: Price: Now: $230.95 Quick view View Options SKU: 25H/Ckit