Fits 2011-2016 LML Duramax. Replaces the weak factory spring belt tensioner; a must when running dual CP3 pumps on the serpentine belt. Reduces bel...

Fits 2004.5-2010 LLY/LBZ/LMM Duramax. Replaces the weak factory spring belt tensioner; a must when running dual CP3 pumps on the serpentine belt. R...

Wagler Street Intake Manifold improves airflow and horsepower on Duramax engines. Cast one-piece design replaces the factory Y-bridge; the neck is ...

Wagler alternate-fire Stage 1 Duramax camshaft. No piston valve reliefs needed, relieves crankshaft stress, simple wiring pin swap. Fits LB7, LLY, ...

Wagler L5P Duramax pushrods built from 4130/4135 seamless chromoly tubing with billet steel tip ends for strength and valvetrain stability above st...

The Wagler Duramax entry-level rotating assembly (WCPC661008) for a stock workhorse or hot street truck making up to 1,000 HP. Includes a Callies C...

Wagler L5P Duramax billet connecting rods, made from 4340 certified material. All design, machining, assembly and QC done in-house at Wagler in the...

Genuine Fragola Performance Systems part #495122-BL: #12 X 3/4-16 (8)RADIUS FITTING,"O" RING BLACK.Fragola AN hose, hose ends and fittings are a st...

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Genuine Fragola Performance Systems part #3100012S-CL: #12 SPORT CRIMP COLLAR - SILVER.Fragola AN hose, hose ends and fittings are a staple in comp...