Performance exhaust headers for GMC 1999–2013 models include shorty, long tube, and turbo-compatible options from brands like Speed Engineering, Kooks, and On3.

Earls Head Bolts GM LS Hex Head 2004-14 – High-strength chromoly hex head bolts designed for GM LS engines, providing reliable cylinder head fastening.

Earls Head Bolts GM LS Hex Head 1997-03 – High-strength chromoly hex head bolts designed for GM LS engines from 1997 to 2003, ensuring secure cylinder head fastening.

The DP Friction Disc GM 26T is a high-performance clutch disc designed for GM vehicles with a 1-1/8" x 26-spline input shaft.

DP Friction Disc GM 10T, designed for high-performance clutch systems in GM applications.

The DBW Throttle Body GM LSX 102mm Silver is a high-performance electronic throttle body designed for LSX engines, offering improved airflow and throttle response.

DBW Throttle Body GM LSX 102mm Black – enhances airflow for improved performance in GM LSX engines.

The Comp Cams 1678-16 Ultra Pro Magnum™ Roller Rockers with a 1.8 ratio are designed for GM LS3/L99/L76 engines with rectangular port heads, featuring a bolt-down design for improved performance and durability.

The Comp Cams 1478-16 GM LS3 Upgraded OEM Rocker Arms feature a 1.7 ratio, providing improved valve lift and durability with a trunnion-upgraded design.

The Comp Cams 1983-16 Max-Lift BSR Shaft Rocker System (1.8:1 ratio) is a bolt-in upgrade for GM LS7 engines, offering enhanced valvetrain stability and durability for high-lift cam applications.

The Comp Cams 1982-16 Max-Lift BSR Shaft Rocker System for GM LS3 with rectangular port heads features a 1.7 ratio, offering enhanced stability and performance.

15956XD-16

15956-16

The Comp Cams 26925TS-KIT .660" Lift Dual Spring Kit with Tool Steel Retainers is designed for GM LS engines, offering enhanced performance and durability.

The Comp Cams 7230TS1-KIT .675" Lift Conical Spring Kit with Tool Steel Retainers is designed for GM LS1/LS3 engines, offering enhanced performance for high-lift applications.

The Comp Cams 54-481-11 LSR hydraulic roller cam (.621"/.617" lift) is built for turbocharged/supercharged Gen III LS (LS1/LS2/LS6) engines from 1997-present with a 3-bolt mount.

The Comp Cams 54-480-11 LSR hydraulic roller cam (.614"/.610" lift) is designed for boosted 3-bolt Gen III LS (LS1/LS2/LS6) engines from 1997 onwards.