2017-2020 GM 6.6L Duramax Standard Port Stainless Steel Exhaust Manifold Gasket Set 3 pcs PPE Diesel MERCHANT AUTOMOTIVE " (4" x 3-1/2") ID x

(4" x 3-1/2") ID x 3-1/2"L Reducer coupling

legendary DiabloSport tuning

flexplates fit 904

Country of Origin US Sold As Each Availability Available Location Front Universal No Drive 2WD

Stealth™ Intake Manifold 221

2017-2020 GM 6.6L Duramax Standard Port Stainless Steel Exhaust Manifold Gasket Set 3 pcs PPE Diesel MERCHANT AUTOMOTIVE " (4" x 3-1/2") ID xMulti 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.