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Exhaust HeaderStandard Duty Uncoated HeadersStandard Duty Uncoated Headers; Tu... Exhaust HeaderStandard Duty Uncoated HeadersStandard Duty Uncoated Headers; Tube Size 1.75 in.; Collector Size 3 in.; Long Tube; Incl. Headers/Gaskets/3 Bolt Adapters/Mtg. Hardware;FEATURES:Highest Quality Materials Computerized Precision Hand... more

Compatible with GM 1st Gen F & X-Body w/ LS motor Tube size 1 7/8 Collector si... Compatible with GM 1st Gen F & X-Body w/ LS motor Tube size 1 7/8 Collector size 3 inch Port shape - Round 304SS Stainless Steel Construction; These Hooker LS Swap headers fit 1967-1969 GM F-Body (Camaro and Firebird) and 1968-1974 GM X-Body (Chevy... more

Hedman Hedders 58070 Standard Duty Uncoated Headers Hedman Hedders 58070 Standard Duty Uncoated Headers more

Compatible with 1968-1974 Oldsmobile Cutlass (not Supreme)/442 350-403ci Stand... Compatible with 1968-1974 Oldsmobile Cutlass (not Supreme)/442 350-403ci Standard Headers Primary Tube Collector Size 1.75 in. x 3 in.; Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision... more

With Hooker Super Competition the objective has always been to make the maximu... With Hooker Super Competition the objective has always been to make the maximum horsepower and to put it at the optimum point in the power curve. It takes a lot of time and money to do the job right. We will sometimes spend up to 2 to 3 times more... more

Compatible with 1968-1974 Oldsmobile Cutlass (not Supreme)/442 350-403ci Stand... Compatible with 1968-1974 Oldsmobile Cutlass (not Supreme)/442 350-403ci Standard Headers Primary Tube Collector Size 1.75 in. x 3 in.; Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision... more

Header Stud - 3/8 in Diameter - 1.670 in Long - 12 Point Nuts - Chromoly - Bla... Header Stud - 3/8 in Diameter - 1.670 in Long - 12 Point Nuts - Chromoly - Black Oxide - Oldsmobile V8 - Set of 14 more

Compatible with 64-72 Chevrolet Chevelle Wagon Buick Gran Sport Skylark Wagon ... Compatible with 64-72 Chevrolet Chevelle Wagon Buick Gran Sport Skylark Wagon Pontiac GTO LeMans Oldsmobile Cutlass 442 LS1/LS6 SB Engine V8 Long Tube Headers 1-3/4 in. Primary 3 in. Ball-Flange Collector 16 Gauge Tubing 3/8 in. Flange Silver... more

Compatible with 68-74 Cutlass/442 Pontiac Firebird/Trans Am: 350-403 Tube Size... Compatible with 68-74 Cutlass/442 Pontiac Firebird/Trans Am: 350-403 Tube Size 1.625 in. O.D. x 29 in. Collector Size 2.5 in. O.D. Collector Length 8 in. Port Shape: Same As Port; Hooker Competition headers offer the best value in the high... more

Header Gaskets Fel-Pro Blue Stripe quality Small Block Chevy exhaust gaskets f... Header Gaskets Fel-Pro Blue Stripe quality Small Block Chevy exhaust gaskets for headers. Square Port (stock or small race) 1.50 x 1.50 Header Bolts Heat-treated steel header bolts featuring 3/8 -16 x 1 threads a hex head and a black oxide finish.... more

High Grade 18-8 Stainless-Steel Steel 3/8-16x1� Bolts and Washers High Grade 18-8 Stainless-Steel Steel 3/8-16x1� Bolts and Washers more

Manufactured from high quality materials Easy to install; replaces old or dama... Manufactured from high quality materials Easy to install; replaces old or damaged part This is an OE replacement item Garage-Pro is the most affordable brand for your old worn-out or damaged factory part! This premium quality replacement part is... more

Manufactured from high quality materials Easy to install; replaces old or dama... Manufactured from high quality materials Easy to install; replaces old or damaged part This is an OE replacement item Garage-Pro is the most affordable brand for your old worn-out or damaged factory part! This premium quality replacement part is... more

180-1401 by Arp Header Stud 3/8 in Diameter 1.67 in Long 12 Point Nuts Chromol... 180-1401 by Arp Header Stud 3/8 in Diameter 1.67 in Long 12 Point Nuts Chromoly Black Oxide Oldsmobile V8 Set of 14 ⬇� Product details available below ⬇� 🚨 Product Attributes 🚨 Bolt/Stud: Stud Length (in): 1.67 in Base Thread: 3/8-16... more

Fits all Buick Electra & Oldsmobile 98 Convertibles Header Bow Seal Only This ... Fits all Buick Electra & Oldsmobile 98 Convertibles Header Bow Seal Only This is just the rubber piece that attaches to the front header bow and seals against the windshield when the top is down Exact Replacement Made in the USA Have questions about... more

Shorty Stainless Manifold Header For ChevyLS1 LS2 LS3 LS6 LS7 Chevelle Camaro ... Shorty Stainless Manifold Header For ChevyLS1 LS2 LS3 LS6 LS7 Chevelle Camaro 100% Brand new Never been used. Designed for LS motor swap builds for older Chevrolet/GM/Oldsmobile/Buick models Fits GM Gen III/IV 4.8L/5.3L/5.7L/6.0L/6.2L LS engines... more

11150FLT by Flowtech Headers Full Length 1.75 in Primary 3 in Collector Gasket... 11150FLT by Flowtech Headers Full Length 1.75 in Primary 3 in Collector Gaskets / Hardware Included Steel Black Paint Oldsmobile V8 Cutlass 1968-77 Pair ⬇� Product details available below ⬇� 🚨 Product Attributes 🚨 Length: Full Flange... more

180-1101 by Arp Header Bolt 3/8-16 in Thread 0.75 in Long Hex Head Chromoly Bl... 180-1101 by Arp Header Bolt 3/8-16 in Thread 0.75 in Long Hex Head Chromoly Black Oxide Oldsmobile V8 Set of 14 ⬇� Product details available below ⬇� 🚨 Product Attributes 🚨 Bolt/Stud: Bolt Length (in): 0.75 in Thread: 3/8-16 in... more

Purchase instructions Professional installation is highly recommended exhaust ... Purchase instructions Professional installation is highly recommended exhaust systems are not always perfect and while most of the time these exhaust systems work perfectly together occasionally a slight modification to the exhaust system is... more

Description: Full 1 5/8 Primaries 2 1/2 Collector V8 Engines Only 4.8L 5.3L 5.... Description: Full 1 5/8 Primaries 2 1/2 Collector V8 Engines Only 4.8L 5.3L 5.7L 6.0L 6.2L Engines Note: For LS series engine swaps only These do not work on standard SBC or BBC. Note: If using a larger 4L80E or older Turbo 350/400 transmission the... more