Valve Train

This non-link bar hydraulic roller lifter features short travel. This lifter's short travel allows for light pre-load and reduced oil volume for the highest revving lifter for GEN III Chrysler 6.4L HEMI's.Installation InstructionsThis Part...

These short travel retro-fit XD hydraulic roller lifters feature a billet seat and short travel. This lifter pair's short travel allows for light pre-load and reduced oil volume for the highest revving lifter for Chrysler 5.7/6.1/6.4 HEMI.Installation...

These short travel retro-fit XD hydraulic roller lifters feature a billet seat and short travel. These lifters' short travel allows for light pre-load and reduced oil volume for the highest revving lifter for Chrysler 6.4 HEMI.Installation...

COMP Cams is bringing the Thumpr camshaft series to the 2003-2008 Dodge 5.7/6.1L and 2009+ Dodge 5.7/6.4L HEMI engines. The new COMP Cams Thumpr NSR camshafts offer big power gains along with the unmistakable Thumpr idle lope, all without the need to...

Optimized horsepower with good torque and average fuel economy. Needs programmer.Installation InstructionsInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2008JeepCommanderLimited Premium2008JeepCommanderOverland2008JeepGrand CherokeeLimited...

Exceptional torque with good horsepower and moderate fuel economy. Needs programmer.Installation InstructionsInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2008JeepCommanderLimited Premium2008JeepCommanderOverland2008JeepGrand...

Optimized fuel mileage with good torque and horsepower. Needs programmer.Installation InstructionsInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2008JeepCommanderLimited Premium2008JeepCommanderOverland2008JeepGrand CherokeeLimited...

Needs extended rev limit and better exhaust, strongest power over 2500 RPM. Requires custom tuning.Installation InstructionsInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2008JeepCommanderLimited...

Noticeable idle, moderate tuning modifications, strong mid-range. Needs programmer.Installation InstructionsInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2008JeepCommanderLimited Premium2008JeepCommanderOverland2008JeepGrand...

Slight noticeable idle, slight tuning modifications, excellent torque throughout range. Needs programmer.Installation InstructionsInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2008JeepCommanderLimited...

The Gen III Hemi market is rapidly expanding, and the HRT Camshaft Series uses the newest and most advanced lobe designs from COMP Cams in order to produce some of the highest average power and torque camshafts available for these engines. The “Low Shock...

The Gen III Hemi market is rapidly expanding, and the HRT Camshaft Series uses the newest and most advanced lobe designs from COMP Cams in order to produce some of the highest average power and torque camshafts available for these engines. The “Low Shock...

The Gen III Hemi market is rapidly expanding, and the HRT Camshaft Series uses the newest and most advanced lobe designs from COMP Cams in order to produce some of the highest average power and torque camshafts available for these engines. The “Low Shock...

Over time all internal engine wear surfaces become worn. This is true for crankshaft journals, connecting rods, camshaft lobes, piston rings, bearings, etc. When rebuilding a worn out engine you'll need to replace them all in order to regain the engine's...

Over time all internal engine wear surfaces become worn. This is true for crankshaft journals, connecting rods, camshaft lobes, piston rings, bearings, etc. When rebuilding a worn out engine you'll need to replace them all in order to regain the engine's...