Engine

Maximize performance and efficiency with our precisely engineered THP Engineering C7 Corvette lower pulley crafted to perfectly coincide with the trusted ATI Super Damper. Compatible with the LT1/LT4 10 rib Supercharger Belt Drive System, this addition will elevate your vehicle's capabilities to the next...

The THP Engineering Camaro/CTSV lower pulleys are designed to work with an ATI Super Damper harmonic balancer and are the perfect companion for our LT1/LT4 10 rib Supercharger Belt Drive System! These precisely engineered overdrive crank pulleys feature 10 ribs (additional 2 ribs forward) with...

Our 10 rib crank pulleys, idlers, and upgraded tensioner with billet bracket will keep your supercharger making full boost to the end of the track! The TooHighPsi Engineering upgraded SC Belt Drive System offers: 30% more peak belt tension 12% more belt length take-up...

Our 10 rib crank pulley, idlers, and upgraded tensioner with billet bracket will keep your supercharger making full boost to the end of the track! The TooHighPsi upgraded SC Belt Drive System offers: 30% more peak belt tension 15% more belt length take up...

Our LT1/LT4 billet tensioner bracket will help keep your supercharger making full boost to the end of the track! The TooHighPsi billet tensioner bracket offers: Up to 20% more belt length take-up (travel) than stock bracket Compatible with both LT4 and LT5 tensioners Upgrade includes: Billet Tensioner...

Billet aluminum oil fill cap available in raw aluminum or black anodized finish. -16 ORB thread with O-ring seal.

Our billet aluminum PCV spacer allows connection of the PCV passage from the LT4 valley cover to blower inlet when using THP SC or LP port plates on LT4 engines. Includes O-ring and black anodized finish.

Set of 8 replacement Viton O-rings for TooHighPsi's port injection plates. 

Our Camaro/CTSV LT1/LT4 billet tensioner bracket will help keep your supercharger making full boost to the end of the track! The TooHighPsi billet tensioner bracket offers: Up to 20% more belt length take-up (travel) than stock bracket Stiffer bracket design Compatible with both LT4 and LT5 tensioners...

Genuine OEM GM LT5 belt tensioner, GM part#12683675

TooHighPsi Performance Premium LS Valve Covers are specifically designed for use with the GM LSx Gen 4 V8 engine family. They look great and will make your engine build look stunning under the hood! Our 2-piece billet LS Valve Covers are CNC machined in-house using US sourced materials. These premium quality...

Our billet aluminum PCV spacer allows connection of the PCV passage from the valley cover to blower inlet when using THP KATANA port plates.

TooHighPsi Performance LTX Valve Covers are specifically designed for use on GM LT1/LT4 Gen5 V8 direct injected engines. They work seamlessly with any of our THP Port Plates allowing adequate clearance for injectors and fuel rails, plus relocating coils for fitment with the Magnuson...

THP Dip Stick Tube Bracket allows the Camaro/CTSv dipstick tube to be mounted onto the THP billet LTx Valve Covers.

Maximize performance and efficiency with our precisely engineered TooHighPsi 12 Rib C7 Corvette Crank Pulleys . Designed to work with an ATI Super Damper harmonic balancer, THP 12 rib pulleys are the perfect companion for our REAPER 12 rib Supercharger Belt Drives! These precisely...