2017-2020 GM 6.6L Duramax Standard Port Stainless Steel Exhaust Manifold Gasket Set 3 pcs PPE Diesel MERCHANT AUTOMOTIVE " Thread adapters included with the

Thread adapters included with the shift knob are 1/2-20

legendary DiabloSport tuning

flexplates fit 904

Stealth™ Intake Manifold 221

YOU MUST SAVE YOUR STOCK CALIBRATION WITH YOUR TUNING DEVICE BEFORE REMOVING THE STOCK PCM FROM THE VEHICLE

2017-2020 GM 6.6L Duramax Standard Port Stainless Steel Exhaust Manifold Gasket Set 3 pcs PPE Diesel MERCHANT AUTOMOTIVE " Thread adapters included with theMulti layered 301 stainless steel gaskets create a tight seal between the exhaust manifolds and GM 6. 6L Duramax engine. Molybdenum dry coating adds wear resistance and endures extreme heat cycles. PPE Manifold Gaskets are designed to fit both PPE High Flow Exhaust Manifolds and GM OEM manifolds.