Check the listing for details. BTR Truck Norris 4.8 5.3L LS Camshaft Kit w/ Delphi Lifters, Trays, Head Gaskets. Condition: New. Listed at 869.99 USD. Brian Tooley Racing TRUCK NORRIS Camshaft KitFits 1999-2013 4.8L, 5.3L and 5.7L LS Based EnginesLS1 LS6 LM7 L59 LY5 LMG LMF LH6 LC9 LR4 LY2 L20 L33 LH9 LM4Specs: 212/22X .552"/.552" 107 LSA, 3 Bolt PatternThe Truck Norris will deliver a roundhouse kick in the pants to your 1999-2013 GM V8 Truck or SUV! Developed from hundreds of hours of in-house cam lobe design and dyno testing, this camshaft has more power and torque everywhere in the curve compared to BTR's legendary V2 truck cams. It has an idle sound similar to more aggressive truck camshafts, yet will behave well with stock torque converters. This kit includes the following: Camshaft: BTR Truck Norris CamshaftSprings: BTR SP011 Beehive Valve SpringsPushrods: BTR 7.400" Length 5/16" Chromoly PushrodsLifters: Set of 16 Delphi LS7 LiftersTrays: Set of 4 GM Lifter Guide TraysHead Gaskets: Michigan Motorsports MLS Multilayer Steel 4.8/5.3/5.7L Head Gasket PairSeals: Valve Seals, Timing cover gasket, water pump gaskets, front crankshaft seal and damper bolt.Note:VVT engines will require a VVT delete kit. If installing in an engine originally equipped with a 1-bolt camshaft, a 3 bolt conversion kit will be required DOD/AFM engines will require having the oil ports blocked off in the block or switching to a non-DOD valley cover. No Manufacturer Warranty on Lifters