Engine Components

COMP Cams Pivot Balls are a good upgrade for stock components. These are replacement pivot balls for COMP Cams Magnum Roller Tip Rocker Arms.

COMP Cams Pivot Balls are a good upgrade for stock components. These are replacement pivot balls for COMP Cams Magnum Roller Tip Rocker Arms.

COMP Cams Rocker Arm Nuts are a good upgrade for stock components. These are replacement nuts for COMP Cams Magnum Roller Tip Rocker Arms.

COMP Cams Rocker Arm Nuts are a good upgrade for stock components. These are replacement nuts for COMP Cams Magnum Roller Tip Rocker Arms.

COMP Cams Pivot Balls are a good upgrade for stock components. These are replacement pivot balls for COMP Cams Magnum Roller Tip Rocker Arms.

COMP Cams Pivot Balls are a good upgrade for stock components. These are replacement pivot balls for COMP Cams Magnum Roller Tip Rocker Arms.

Upgrade your Ultra Pro Magnum and Ultra Pro Magnum XD rockers to 1/2" studs with this kit. Complete with trunnions, bearings, snap rings, polylocks...

Upgrades 1 Rocker. See 13706-KIT for a kit that upgrades all 16 rocker arms.

Our trunnion upgrade kit w/ disassembly tool converts a GM LS7/GEN V LT rocker into a captured trunnion for highe stability and stiffness. Compatib...

Our trunnion upgrade kit converts an OE GM LS7 and GEN V LT rocker into a captured trunnion for higher stability and stiffness. Compatible with sto...

Our trunnion upgrade kit converts a stock LS series rocker arm into a captured trunnion for increased stability and stiffness. Compatible with stoc...

Bolt for Trunnion-Upgraded LS Rocker

This bearing is required to upgrade the trunnions in GM LS rocker arms. Requires 32 for complete set of rockers. Set of 32 comes with every 13702-K...

Upgraded Trunnion for GM LS1, LS3 and LS7 Rocker ArmsThis Part Fits: Year Make Model Submodel 2001-2004 Avanti II Base 2008-2009 Buick LaCross...

COMP Cams GM LS Series Retro-Fit Trunion Kit converts a stock LS series rocker arm into a roller trunion rocker arm. This increases the stability ...

COMP Cams Spacer for Ultra Pro Magnum Big Block Chrysler Shaft Mount Rocker Arms Part #1621-16

This adjuster nut replaces the nut that comes with our 1621 and 1622 shaft-mount rocker systems for Chrysler 273-360 and 383-440.This Part Fits: Y...

This kit includes 4 long clamps, 6 short clamps along with the bolts needed to properly install our 1621-16 Ultra Pro Magnum Shaft-Mount rocker sys...

Optimized horsepower for heavily modified, street/strip, non-towing, high RPM applications.This Part Fits: Year Make Model Submodel 2006-2016 Ch...

Designed for modified performance applications (Exh., programmer, etc.). Good for limited towing.This Part Fits: Year Make Model Submodel 2006-2...

Perfect for mild modfications, optimized fuel mileage and improved torque/hp. Good for heavy towing.This Part Fits: Year Make Model Submodel 200...

The LST Camshaft Series uses the newest and most advanced lobe designs from COMP Cams. These new lobes provide the potential for major increases in...

The LST Camshaft Series uses the newest and most advanced lobe designs from COMP Cams. These new lobes provide the potential for major increases in...

The LST Camshaft Series uses the newest and most advanced lobe designs from COMP Cams. These new lobes provide the potential for major increases in...