The WCFab Splash Shield Kit for 2020-2024 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replaces the easily damaged factory plastic part covering the lower engine bay and cooling stack. Our heavy gauge aluminum splash shield kit provides added strength, coverage, and...

The WCFab Splash Shield Kit for 2020-2024 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replaces the easily damaged factory plastic part covering the lower engine bay and cooling stack. Our heavy gauge aluminum splash shield kit provides added strength, coverage, and...

These kits are the perfect solution for trucks with bigger turbo kits and injectors that have reached the limits of the stock HP4 pump and are in search of more power. - 14mm (WCF100458)-?Ideal for built competition engines using power adders, big single or...

These kits are the perfect solution for trucks with bigger turbo kits and injectors that have reached the limits of the stock HP4 pump and are in search of more power. - 12mm (WCF100457)-? Works best with S472 and S476 turbochargers with Exergy 100%...

These kits are the perfect solution for trucks with bigger turbo kits and injectors that have reached the limits of the stock HP4 pump and are in search of more power. - 10mm (WCF100456)-??This pump pairs well with S372, S463, and S467.7 turbochargers and...

These kits are the perfect solution for trucks with bigger turbo kits and injectors that have reached the limits of the stock HP4 pump and are in search of more power. - Sportman (WCF100455)-?A?great choice for trucks looking to replace a failed HP4, or...

Run a more aggressive wheel and tire combination on your Chevrolet or GMC Heavy Duty Truck and eliminate rubbing on the front bumper and valance without the need for trimming factory components with these CNC machined billet aluminum spacer kits from WCFab. ?Spaces the...

Run a more aggressive wheel and tire combination on your Chevrolet or GMC Heavy Duty Truck and eliminate rubbing on the front bumper and valance without the need for trimming factory components with these CNC machined billet aluminum spacer kits from WCFab. ?Spaces the...

Run a more aggressive wheel and tire combination on your Chevrolet or GMC Heavy Duty Truck and eliminate rubbing on the front bumper and valance without the need for trimming factory components with these CNC machined billet aluminum spacer kits from WCFab. ?Spaces the...

Clean up the engine bay of your 2001+ Duramax truck with this anodized billet aluminum oil fill tube cap from WCFab. This is a complete cap not a cover. Direct OEM replacement. CNC machined in the USA from billet aluminum. Available in your choice...

Clean up the engine bay of your 2001+ Duramax truck with this anodized billet aluminum oil fill tube cap from WCFab. This is a complete cap not a cover. Direct OEM replacement. CNC machined in the USA from billet aluminum. Available in your choice...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...

Stage 2 upgrade for the 2017-2019 L5P Duramax combines our Stage 1 High Flow Bundle and Stage 2 intake Kit into a single package providing increased airflow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points...