Motorcycle Exhaust, Air Intake, Engine Core & Gaskets
Maximize your motorcycle's power, airflow, and internal engine reliability with our complete Exhaust, Intake & Engine Core collection. Designed for high-performance V-Twin engines and custom bagger builds, this comprehensive category features full exhaust systems, slip-on mufflers, heat shields, and baffle inserts alongside high-flow air cleaner intake kits and mounting hardware. Upgrade your engine's powerhouse with big bore cylinder kits, performance camshafts, oil pumps, cooling upgrades, and precision engine covers. Keep every connection sealed tight with complete top-end and bottom-end gaskets, exhaust port seals, primary cover gaskets, and durable O-rings for leak-free street performance.
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Custom Chrome Black High Performance Motorcycle Smooth Air Filter Kit Cross Cover 5-SpadeProduct Information: BLK HP HORNET A/C COVER Package Included: 1 Air Filter Kit Cross Cover * California Residents Warning: California's Proposition 65. For more Information Please Visit - https://www.p65warnings.ca.gov/
- $39.99
$71.99- $39.99
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Custom Chrome Rubber Oil Seal Fit For Harley Replace For 41210-55Fitment: Fit For Harley Replace For 41210-55 Product Information: Rubber Oil Seal Replace For 41210-55 Pack Of 10 No instructions. Package Included: 10pcs Oil Seal Set * California Residents Warning: California's Proposition 65. For more Information Please Visit - https://www.p65warnings.ca.gov/
- $11.69
- $11.69
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Custom Chrome 7" Round Shield Fit For Harley CV Carburetors Sportster 1988-1991 Big TwinsFitment: Fits For CV carburetors on Sportster models from 88-91 Big Twins Product Information: Classic 7" RoundColor: Chrome Package Included: 1 x Shield * California Residents Warning: California's Proposition 65. For more Information Please Visit - https://www.p65warnings.ca.gov/
- $58.49
- $58.49
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Custom Chrome Universal Army Green 9 - Canvas Exhaust Heat Shields PlainFitment: Fit For Universal Product Information: Finally a heat shield that really works and looks great. These universal exhaust heat shields fit most bikes with 1-3/4" and 2" diameter pipes. Made from 14 gauge steel, covered with high quality cowhide leather or 24oz. Military...
- $39.99
$76.99- $39.99
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Custom Chrome Black Rocker Boxes Fit For Harley RevTech 115 - and 125 - EnginesFitment: Fit For Harley RevTech 115 - and 125 - engines Product Information: Add a touch of nostalgia. Transforms your bike to look like a Pan or Knuckle. Compatible with Original Equipment rocker components. No instructions. Package Included: 1x Rocker Boxes * California Residents...
- $446.99
$819.99- $446.99
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Custom Chrome Front / Rear Cylinder Fit For Harley XL 1200cc 88-03 with 3 1/2" bore EvolutionFitment: Fit For Harley XL 1200cc 88-03 with 3 1/2" bore Product Information: Our replacement aluminum cylinders feature cast iron sleeves for excellent wear and heat dissipation. Bored for standard 80" or 1200cc pistons. Final honing is required. Fits front and rear on Evolution...
- $149.99
$204.99- $149.99
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Custom Chrome Oil Seal Fit For Harley Big Twin Cam Models 94-Up Replaces For 12067BFitment: Fit For Harley Big Twin Cam Models 94-Up Product Information: Replaces For OEM# 12067BNo instructions. Package Included: 1x Seal * California Residents Warning: California's Proposition 65. For more Information Please Visit - https://www.p65warnings.ca.gov/
- $32.99
$46.99- $32.99
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Custom Chrome Mainshaft Bearing Oil Seal Fit For Harley All 5-Speed Twin Cam Models 99-06Fitment: Fit For Harley All 5-Speed Twin Cam Models 99-06 (Except 06 Dyna) Product Information: Replaces For OEM# 11165 No instructions. Package Included: 1x Seal * California Residents Warning: California's Proposition 65. For more Information Please Visit - https://www.p65warnings.ca.gov/
- $9.99
- $9.99
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Custom Chrome Oil Pump Key Fit For Harley Big Twin Models 1936-1999 Sportster Models 1972-1985Fitment: Fits For Harley Evolution Big Twins 84-99Fits For Harley Shovelhead Big Twins 66-84Fits For Harley Panhead Big Twins 48-65Fits For Harley Knucklehead Big Twins 36-47Fits For Harley Sportster Models 72-85 Product Information: Sold in 10 packsReplaces OEM 26348-15 Package Included: 10 x keys...
- $5.99
- $5.99
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Custom Chrome Custom Hose Clamps Fits 1/4"-Diameter Slotted ChromeFitment: Fits 1/4"-diameter Slotted Product Information: These custom hose clamps feature a great look with reliable function. Under each custom hose cover is a weather resistantworm-drive hose clamp. Sold in packs of 6. Package Included: One Set Custom Hose Clamps * California Residents Warning:...
- $18.99
$25.99- $18.99
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Custom Chrome Exhaust Trumpet Muffler 20" Upswept Fit For Harley Bobber ChopperFitment: Fit For Harley Bobber or Chopper Product Information: Very popular years ago, these trumpet mufflers are making a big comeback on the retro-style motorcycles, and are a perfect finishing touch to an early style Bobber or Chopper. 1-3/4" inlet, removable baffles, and universal...
- $184.99
- $184.99
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MotorFactory 5Pcs Rear Master Cylinder Boots Fit For Harley XL XLH1000 FX FXS 1980-1987Fitment: Fit for the rear master cylinder on most models 1980-1987 Product Information: No instructions. Package Included: 5x Master Cylinder Boot (as shown in picture) * California Residents Warning: California's Proposition 65. For more Information Please Visit - https://www.p65warnings.ca.gov/
- $21.99
- $21.99
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Custom Chrome Engine Starter Shaft Fit For Harley FL FLH 1970-1982 FX FXS 1971-1985Fitment: Fit For Harley 4-speed FL chain drive models from 70-82, and 4-speed FX chain drive models from 71-85 Product Information: Color: Chrome Replaces for 31482-70 No instructions. Package Included: 1x Starter Shaft (as shown in picture) * California Residents Warning: California's Proposition 65....
- $32.99
- $32.99
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Custom Chrome Chrome Rocker Box Cover Fit For Harley Evolution Big Twin Models 1984-1999Fitment: Fit For Harley All Evolution Big Twin Models 1984-1999 Product Information: Color: Chrome A subtly different shape and completely enclosed recess for the upper cover screws allows for a continuous, sharp edge from front to rear resulting in an improved outer profile. Complete...
- $237.99
- $237.99
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Custom Chrome Chrome Engine Point Cover Fit For Harley Sportster & Big Twin Models 1970-2003Fitment: Fit for Harley Sportster and Big Twin models 70-03 (except Twin Cam models) Product Information: Get that high-tech -racers only - look with our buttonhead -Riveted - chrome covers.Includes mounting hardware. No instructions. Package Included: 1x Engine Cover (as shown in picture) *...
- $19.99
- $19.99
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Custom Chrome Oil Tank Cap Dipstick Fit For Harley FL FX 1971-1985 XLCH 1970-1978Fitment: Fit for Harley FL models from 70-84, FX models from 71-85, FXR models from 82-83, FLT models from 80-86 and XLCH models from 70-78 Product Information: Long Dipstick,Chrome-plated replacements for Original Equipment dipsticks. No instructions. Package Included: 1x Oil Tank Dipstick (as shown...
- $12.99
- $12.99
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Custom Chrome Aircraft-Style Exhaust Clamp Fit For Harley Panheads 48-65 Replace for 65274-88TFitment: Fit For Harley Panheads from 48-65 Product Information: Custom exhaust clamps made of heavy-wall (1/8"-thick), cold-rolled steel, complete with sockethead screws. Sold in pairs. Replace for 65274-88T No instructions. Package Included: A pair of Clamps * California Residents Warning: California's Proposition 65. For...
- $28.79
- $28.79
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Custom Chrome 11/16" Wide Aircraft-Style Exhaust Clamp Fit For Harley Sportster XL 1957-1985Fitment: Fit For Harley Sportster models from 57-85 Product Information: These custom clamps measure 11/16"-wide and are wider than standard clamps. They were made to provide a better seal and support the exhaust pipes to their flanges. Made from heavy-wall (1/8"-thick) cold-rolled and chrome-plated...
- $39.59
- $39.59
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Custom Chrome Dual Inlet Crankcase Breather Filter Fit For Harley 75-Up with 3/8" HoseFitment: Fit For Harley 75-Up models with a 3/8" crankcase breather hose. Product Information: Prevent the breather hose from inhaling impurities into the lower end while quieting the system. Beneficial on 75-Up models when the stock air cleaner has been replaced. Measure approximately 2"...
- $17.99
$0.00- $17.99
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Custom Chrome Chrome Crankcase Breather Filter Fit For Harley Models with 3/8" HoseFitment: Fit For Harley models with a 3/8" crankcase breather hose. Product Information: Features a bolt for attaching to any flat surface. Prevents a breather hose from inhaling any impurities while riding. 3/8"-I.D. hose. Sold each. No instructions. Package Included: 1x Crankcase Breather Filter...
- $18.99
$21.59- $18.99
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