Availability
Header Flanges, 304 Stainless Steel, 304, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670203-SS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $591.75
Rebate Expires: 9/30/2025
Headers, Mid-length, Steel, Silver Ceramic Coated, Round Port, Buick, Chevrolet, Oldsmobile, Pontiac, Small Block LS, Pair
Part Number: DOU-D3357
Not Yet Reviewed
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $591.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Header Studs, 12-Point Nuts, Custom 450, Black Oxide, 3/8 in.-16, 1.500 U.H.L., Set of 16
Part Number: ARP-100-1411
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Tight Tuck, Shorty, Steel, Ceramic Coated, Street Rod with Chevy, Small Block, Pair
Part Number: PTE-H8027-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Twisted Steel, 4-1 One-piece, Tuned, Stainless Steel, Natural, 1 1/2 in. Primary Tube O.D., Jeep, 2.5L, Kit
Part Number: AFE-48-46206
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $843.75
Rebate Expires: 9/30/2025
Headers, Shorty, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: DOU-D304
Estimated Ship Date: Today
$100.00 Mail-In Rebate
Price after Manufacturer Rebate: $843.75
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Blockhugger, Steel, Natural, Chevy, GMC, Pair
Part Number: SNH-CS11AP134-P
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Steel, Ceramic Coated, Chevy, Small Block, Pair
Part Number: BIG-31110FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,021.45
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, 7.4L, 454, Pair
Part Number: JBA-1822S-3JS
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $1,021.45
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Shorty, Steel, Natural, 1 1/2 in. Tubes, 2.1/2 in. Collectors, Chevy, LS Swap, Pair
Part Number: SNH-CSLS1-P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $683.05
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Silver Ceramic, Chevy, GMC, SUV, Pickup, Small Block, Pair
Part Number: JBA-1830SJS
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $683.05
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Long Tube, 4-1 One-piece, Stainless Steel, Natural, 2.00 in. Tube, 3.00 in. Collector, Dodge, 5.7L, 6.1L, 6.4L, Pair
Part Number: KOK-31002602
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Headers, Turbo, Up and Forward, 304 Stainless Steel, Polished, 1.875 in. Primary, 2.500 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair
Part Number: BIG-11573FLT
Not Yet Reviewed
Estimated Ship Date: Oct 14, 2025 if ordered today
Estimated Ship Date: Oct 14, 2025 if ordered today
Headers, Shorty, Steel, Ceramic Coated, Ford, 5.0L, Pair
Part Number: BBK-16320
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Street, Long Tube, Steel, Temporary Paint, Chevy, Small Block, Pair
Part Number: HED-68300
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair
Part Number: SUM-670202-SS
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Blockhugger, Steel, Silver Ceramic Coated, 1 5/8 in. Primary Tube O.D., Angle Plug, Buick, Chevy, GMC, Olds, Pontiac, Chevy Small Block, Pair
Part Number: SNH-CC10AP158SEC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Collector, 4 Into 1, Slip-on, Stainless Steel, Natural, 4.00 in. Diameter, 11.37 in. Length, Each
Part Number: VPE-10316
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Street, Shorty, Steel, Silver Ceramic Coated, Cadillac, Chevy, GMC, Hummer, Small Block LS, Pair
Part Number: HED-69696
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Super Competition, Fenderwell, Steel, Ceramic Coated, Chevy, Chevy II, Small Block, Pair
Part Number: HOK-2214-1HKR
Estimated Ship Date: Today
Estimated Ship Date: Today
Header, Rock Ripper, Long Tube, Stainless Steel, Polished, Toyota, Each
Part Number: TGI-186063-1-KIT
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Hex Head, 20mm UHL, 10mm Wrench, Steel, Black Oxide, Chevy, LS, Set of 12
Part Number: ARP-134-1101
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Hex Head, 3/8 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 16
Part Number: ARP-100-1112
Estimated Ship Date: Today
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $402.95
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, SUV, 4.3L, Pair
Part Number: JBA-1842S-3
Estimated Ship Date: Today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $402.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Today
Headers, Turbo, Up and Forward, 304 Stainless Steel, Natural, 1.750 in. Primary, 2.50 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair
Part Number: BIG-11569FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
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