Availability
2012 GMC SIERRA 1500 Headers
Showing In Stock Items. Show All 32 Items.
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Cadilllac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair
Part Number: JBA-1850S-2JS
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair
Part Number: DOU-D3373
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Cat4ward, Stainless Steel, Natural, 1-5/8 in. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair
Part Number: JBA-1850S-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Stainless Steel, Natural, 1.75 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair
Part Number: KOK-28502200
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, V8, Pair
Part Number: DOU-D3373-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Long Tube, Stainless Steel, Natural, 1.88 in. Tube, 3.00 in. Collector, Chevy, Small Block, Pair
Part Number: KOK-28502400
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, 4.8, 5.3L, Pair
Part Number: BIG-91843-1FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12
Part Number: MRG-2235G
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Headers, BlackHeart, Shorty, 304 Stainless Steel, Natural, 1 3/4 in. Primary, 3/8 in. Flange, Chevy, LS, Pair
Part Number: HOK-70301410RHKR
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, 4.8, 5.3L, Pair
Part Number: BIG-91843FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Shorty, Steel, Temporary non-high, Temperature Paint, Pair
Part Number: BIG-11143FLT
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Headers, Shorty, Steel, Temporary Black Paint, Chevy, GMC, Pair
Part Number: BIG-11142FLT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Chevy Silverado / GMC Sierra 2007-13 Headers 304SS Performance Connect
Part Number: STW-CT07HCAT
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, GMC, Pickup, 4.3L, Pair
Part Number: JBA-1842S-9JS
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, 4.3L, Pair
Part Number: JBA-1842S-9
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Header Bolt Kit for LS Engines. (12) M8-1.25 x 25mm Grade 18-8 SS Header Bolts. 10mm head.
Part Number: KOK-BK110
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Headers, Shorty, Stainless Steel, Natural, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair
Part Number: GIB-GP129S
Estimated Ship Date: Today
Estimated Ship Date: Today
Headers, Twisted Steel, Shorty, Tuned, Stainless Steel, Natural, 1 5/8 in. Primary Tube O.D., Chevrolet, GMC, Pair
Part Number: AFE-48-44001
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Headers, Cat4ward, Stainless Steel, Titanium Ceramic Coated, Chevy, GMC, Pickup, 4.3L, Pair
Part Number: JBA-1842S-9JT
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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