Availability
Headers, Long Tube One-Piece, 2 in. Primaries, 3-Bolt 3.50 in. Diameter Collector, 2.50 in. Reducer, 304 Stainless Steel, Natural Finish, GM Car, Pair
Part Number: DOU-D318-SS
Not Yet Reviewed
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Small Block, Pair
Part Number: DOU-D300Y
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Headers, Tri-Y, Stainless Steel, Natural, Chevy, GMC, Small Block, Pair
Part Number: DOU-D300Y-SS
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Pair
Part Number: DOU-D330
Not Yet Reviewed
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Headers, Tri-Y, Steel, Ceramic Coated, Chevy, GMC, Big Block, Pair
Part Number: DOU-D303Y
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ BBC Long Tube Headers for Chevy/GMC Truck/Van/Blazer/Suburban
Estimated Ship Date: Monday 11/9/2026
Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D336
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, Small Block, Pair
Part Number: DOU-D310
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Estimated Ship Date: Monday 11/9/2026 if shipped by air
Headers, Tri-Y, Steel, Silver Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Pair
Part Number: DOU-D370Y
Not Yet Reviewed
Estimated Ship Date: Nov 30, 2026 if ordered today
Estimated Ship Date: Nov 30, 2026 if ordered today
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