Comp Cams 54-701-11 Stage 1 Thumpr Camshaft for GM Gen III IV LS 4.8-6.0 TrucksStg1 Thumpr GEN4 LS 4. 8 6. 0 Trucks Perfect choice for strong idle lope and great power in 4. 8 & 5. 3L truck engines. No Springs RequiredStage 1 Thumpr 222 233 Hydraulic Roller Cam for GEN IV LS 4. 8 5. 3 6. 0L Trucks. Perfect choice for strong idle lope and great power in 4. 8 & 5. 3L truck engines. No Springs Required (NSR) version of popular Thumpr lobe designs. AFM & VVT delete. (NSR) version of popular Thumpr lobe designs. AFM & VVT delete. UPC

Stg2 Thumpr GEN3 LS 4

4L 2015* 2017* Dodge Challenger (Requires Modified PCM) 3

3L Trucks and SUVs engine

The shipping charge at checkout only covers returning your control module after modification

Increase of 25+ H

550 lobe separation - 114

Comp Cams 35-410-8 Hydraulic roller camshaft

2015-2016 GMC Sierra 2500 HD Base GAS Crew Cab Pickup

680″ lift

The serrated/helix design creates air turbulence in the intake manifold

High Performance

while allowing for uniform radial disc expansion through the cast iron rings