Texas Speed TSP CHOPacabra Truck Camshaft Fits 1999-2013 GM Gen 3/4 LS-Based Engines 4.8 5.3 6.0 6.2 Specs: 214/222 .550"/.550" 108LSA, 3 Bolt Pattern Introducing the CHOPacabra cam! This is a nasty little beast of cam. Designed to work with LS6 valve springs and a factory torque converter. If you're looking for that mean, snarling sound and performance that will leave your opponent second guessing what they just saw...this is it! Texas Speed's line of Low Lift camshafts feature proprietary lobe profiles that are designed to utilize the factory GM LS6 beehive valve springs, making them the most affordable cam package on the market! These lobe profiles and the mild spring pressures required for the low lift camshafts also make them very easy on valvetrain parts, providing the reliability needed for daily driven vehicles that rack up a lot of miles. Our kit options eliminate the guesswork and include: Camshaft Only: Texas Speed Chopacabra Camshaft by itself Camshaft, Springs And Hat Seals: TSP Chopacabra Camshaft, LS6 Beehive Valve springs, and OEM style tophat valve seals Camshaft, Springs, Seals And Gasket Kit: TSP Chopacabra Cam, LS6 Beehive springs, MM Valve seals, MM Timing Cover Gasket, MM Water Pump Gaskets, MM Crankshaft Damper Seal, and MM Crankshaft Damper Bolt Camshaft, Springs, MM Seals, MM Gaskets and Pushrods: TSP Chopacabra Cam, LS6 Beehive Springs, MM Valve Seals, MM Timing Cover Gasket, MM Water Pump Gaskets, MM Damper Seal, MM Crankshaft bolt, plus 7.400" long 5/16" Diameter Chromoly Pushrods Please note: DOD/AFM equipped engines will require a DOD/AFM delete 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