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: Tomorrow
Estimated Ship Date: Tomorrow
Header bolt kit, Extreme Duty, Chromoly, Black Oxide, Chevy LS, 6 pt., Set of 12
Part Number: SUM-910502
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, 4.8, 5.3L, Pair
Part Number: BIG-91843FLT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $395.55
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Natural, Ford, 3.0L, Kit
Part Number: JBA-1647S-1
Estimated Ship Date: Tomorrow
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $395.55
Rebate Expires: 9/30/2025
Estimated Ship Date: Tomorrow
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $976.95
Rebate Expires: 9/30/2025
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Pontiac, 5.7, 6.0L, Pair
Part Number: JBA-1809SJS
Estimated Ship Date: Oct 13, 2025 if ordered today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $976.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 13, 2025 if ordered today
Headers, Shorty, Steel, Painted, 2.5 in. Collector, D-port, Ford, 5.4L, Pair
Part Number: BIG-91673FLT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Street, Shorty, Steel, Silver Ceramic Coated, Dodge, 4.7L, Pair
Part Number: HED-79576
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Dodge, 5.9L Diesel, 6.7L Diesel, Set of 12
Part Number: STG-6935
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Shorty, Stainless Steel, Polished, 1 5/8 in. Primary, Chevy, Small Block, LS, Pair
Part Number: BIG-11576FLT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12
Part Number: MRG-2235G
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Shorty, Steel, Temporary Black Paint, Chevy, GMC, Pair
Part Number: BIG-11142FLT
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12
Part Number: ARP-434-1101
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Shorty, Stainless Steel, Natural, 1 5/8 in. Primary Tube O.D., 2.500 in. Collector Diameter, D-port, Ford, 4.6L, Pair
Part Number: BIG-12134FLT
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Header Bolts, Hex Head, Steel, Nickel Plated, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12
Part Number: PRO-66754
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $961.95
Rebate Expires: 9/30/2025
Headers, Competition Ready, Long Tube, Stainless, Titanium Ceramic Coated, Pontiac, 5.7L LS, 6.0L LS, Pair
Part Number: JBA-6809SJT
Not Yet Reviewed
Estimated Ship Date: Oct 13, 2025 if ordered today
$75.00 Mail-In Rebate
Price after Manufacturer Rebate: $961.95
Rebate Expires: 9/30/2025
Estimated Ship Date: Oct 13, 2025 if ordered today
Header Fasteners, Bolts, Locking, 6-point, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, Set of 12
Part Number: STG-8900B
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header, Stainless Steel, Polished, Mazda, Kit
Part Number: XFO-HS-MRX8-01
Estimated Ship Date: Oct 9, 2025 if ordered today
Estimated Ship Date: Oct 9, 2025 if ordered today
Headers, Shorty, Steel, Ceramic Coated, Dodge, Pickup, 5.7L, Pair
Part Number: BIG-91946-1FLT
Estimated Ship Date: Oct 6, 2025 if ordered today
Estimated Ship Date: Oct 6, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Exhaust Header, 4-1, 1-Piece, Steel, Ceramic Coated, for Nissan, 4.0L, Pair
Part Number: DTE-470-L-C
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Split Lock, 8mm x 1.25, 12-Point, Steel, Black Oxide, Chevy LS, Ford 4.0L, Set of 12
Part Number: SUM-910123
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Chevy, Small Block LS, Set of 12
Part Number: MRG-918G
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headers, Full-Length, Steel, Black Ceramic Coated, Cadillac, Chevrolet, GMC, Pair
Part Number: HED-69723
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Headers, Twisted Steel, Shorty, Stainless Steel, Natural, Round Port, Ford, 5.4L, Pair
Part Number: AFE-48-43032
Not Yet Reviewed
Estimated Ship Date: Oct 21, 2025 if ordered today
Estimated Ship Date: Oct 21, 2025 if ordered today
Header, 4-2-1 One-Piece, Stainless Steel, Natural, 1 1/2 in., Kit
Part Number: XFO-HSMINI01
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Bolts, Hex, 8mm x 1.25 Thread, Steel, Zinc Plated, 30mm Underhead Length, Ford, 4.6L, 5.4L, Set of 16
Part Number: BBK-1624
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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