Skip to content
  • Facebook

Free shipping on orders over +$25 (lower 48)

  • Home
  • All Categories
  • Accessories
    • Audio & Speakers
    • Bags & Backpacks
    • Communication
    • Flags & Whips
    • Fuel Cans
    • Luggage
    • Stickers & Decals
    • Sunglasses
    • Tie-Downs & Straps
    • Winch Accessories
  • Clothing & Apparel
    • LIMITED EDITION Deegan 38 Merchandise
    • Beanies
    • Hats
    • Hoodies
    • Shirts
    • Socks
    • Wallets & Keychains
  • MX Gear
    • New FOX Arrivals
    • MX Grips
    • Elbow Pads
    • Goggle Accessories
    • Goggles - Adult
    • Goggles - Youth
    • Knee Pads
    • Men's Boots
    • Men's Jerseys
    • Neck Supports
    • Offroad Helmets - Adult
    • Offroad Helmets - Youth
    • Youth Gloves
    • Youth Boots
    • Women's Jerseys
    • Women's Gloves
  • Street Gear
    • New Alpinestars Street Gear
    • Street Grips
    • Street Helmets
    • Jackets
  • Oils/ Chemicals
    • Shop By Brand
      • BEL-RAY
      • MAXIMA
      • MOTUL
      • MOTOREX
      • MUC-OFF
      • LIQUI-MOLY
      • LIQUID PERFORMANCE
      • LUCAS
      • Maxima Oil Change Kits
    • Shop By Type
      • Air Filter Care
      • 2T Engine Oil
      • 4T Engine and Fork Oils
      • Brake Fluid
      • Chain Cleaners
      • Chain Lubricants
      • Clean & Protect Your Ride
      • Cleaners
      • Coolant & Antifreeze
      • Fuel Treatments/ Additives
      • Gear Oil
      • Grease
      • Oil Additives
      • Protectants
      • Transmission Fluid
  • Parts
    • MX Grips
    • Street Grips
    • Air Filters
    • Brakes
    • Body Parts
    • Batteries
    • Carbeuretor
    • Chains & Sprockets
    • Electrical
    • Engine & Cooling
    • Exhaust
    • Oil Filters
    • Fuel Filters
  • Closeouts
  • Contact
  • Shop All
Log in
  • Facebook
Kelly Motorsports
  • Home
  • All Categories
  • Accessories
    • Audio & Speakers
    • Bags & Backpacks
    • Communication
    • Flags & Whips
    • Fuel Cans
    • Luggage
    • Stickers & Decals
    • Sunglasses
    • Tie-Downs & Straps
    • Winch Accessories
  • Clothing & Apparel
    • LIMITED EDITION Deegan 38 Merchandise
    • Beanies
    • Hats
    • Hoodies
    • Shirts
    • Socks
    • Wallets & Keychains
  • MX Gear
    • New FOX Arrivals
    • MX Grips
    • Elbow Pads
    • Goggle Accessories
    • Goggles - Adult
    • Goggles - Youth
    • Knee Pads
    • Men's Boots
    • Men's Jerseys
    • Neck Supports
    • Offroad Helmets - Adult
    • Offroad Helmets - Youth
    • Youth Gloves
    • Youth Boots
    • Women's Jerseys
    • Women's Gloves
  • Street Gear
    • New Alpinestars Street Gear
    • Street Grips
    • Street Helmets
    • Jackets
  • Oils/ Chemicals
    • Shop By Brand
      • BEL-RAY
      • MAXIMA
      • MOTUL
      • MOTOREX
      • MUC-OFF
      • LIQUI-MOLY
      • LIQUID PERFORMANCE
      • LUCAS
      • Maxima Oil Change Kits
    • Shop By Type
      • Air Filter Care
      • 2T Engine Oil
      • 4T Engine and Fork Oils
      • Brake Fluid
      • Chain Cleaners
      • Chain Lubricants
      • Clean & Protect Your Ride
      • Cleaners
      • Coolant & Antifreeze
      • Fuel Treatments/ Additives
      • Gear Oil
      • Grease
      • Oil Additives
      • Protectants
      • Transmission Fluid
  • Parts
    • MX Grips
    • Street Grips
    • Air Filters
    • Brakes
    • Body Parts
    • Batteries
    • Carbeuretor
    • Chains & Sprockets
    • Electrical
    • Engine & Cooling
    • Exhaust
    • Oil Filters
    • Fuel Filters
  • Closeouts
  • Contact
  • Shop All
Log in Cart

Item added to your cart

View cart

Engine & Cooling

    Filter and sort Filter

    Filter and sort

    Filter

    3042 products

    Availability
    Clear
    Price

    The highest price is $4,623.00

    $
    $
    Clear
    Remove all
    Remove all

    3042 products

    Remove all
    • Dynojet Power Packages Stage 4 Kit

      Dynojet Power Packages Stage 4 Kit

      Dynojet Power Packages Stage 4 Kit

      Regular price $4,047.61 USD
      Regular price $4.00 USD Sale price $4,047.61 USD
      Unit price /  per 
    • Works Oil Filler Plug

      Works Oil Filler Plug

      Works Oil Filler Plug

      Regular price $32.95 USD
      Regular price $32.95 USD Sale price $32.95 USD
      Unit price /  per 
    • SP1 PTO CRANK WEB POL 800

      SP1 PTO CRANK WEB POL 800

      Sale

      SP1 PTO CRANK WEB POL 800

      Regular price $103.95 USD
      Regular price $114.95 USD Sale price $103.95 USD
      Unit price /  per 
      Sale
    • HEAD BOLT COVERS BLACK 4-PK

      HEAD BOLT COVERS BLACK 4-PK

      HEAD BOLT COVERS BLACK 4-PK

      Regular price $33.95 USD
      Regular price $29.95 USD Sale price $33.95 USD
      Unit price /  per 
    • Cam Chain

      Cam Chain

      Cam Chain

      Regular price $20.95 USD
      Regular price $20.95 USD Sale price $20.95 USD
      Unit price /  per 
    • Shim Package Refills

      Shim Package Refills

      Shim Package Refills

      Regular price $9.95 USD
      Regular price $9.95 USD Sale price $9.95 USD
      Unit price /  per 
    • Camshaft Install Kit

      Camshaft Install Kit

      Camshaft Install Kit

      Regular price $139.95 USD
      Regular price $139.95 USD Sale price $139.95 USD
      Unit price /  per 
    • Intake Valve Spring Kit

      Intake Valve Spring Kit

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Valve Guide

      Valve Guide

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Boyesen Water Pump Cover & Impeller Kit

      Boyesen Water Pump Cover & Impeller Kit

      Boyesen Water Pump Cover & Impeller Kit

      Regular price $194.95 USD
      Regular price $194.95 USD Sale price $194.95 USD
      Unit price /  per 
    • Water Pump Cover

      Water Pump Cover

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • SMOOTH DERBY COVER GLOSS BLK M8 SOFTAIL OE#25700971

      SMOOTH DERBY COVER GLOSS BLK M8 SOFTAIL OE#25700971

      SMOOTH DERBY COVER GLOSS BLK M8 SOFTAIL OE#25700971

      Regular price $95.95 USD
      Regular price $80.95 USD Sale price $95.95 USD
      Unit price /  per 
    • Dynojet Clutch Accessories

      Dynojet Clutch Accessories

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • 1005 Internal Ignition

      1005 Internal Ignition

      1005 Internal Ignition

      Regular price $345.95 USD
      Regular price $345.95 USD Sale price $345.95 USD
      Unit price /  per 
    • Water Pump Drive Gear

      Water Pump Drive Gear

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Shim Package Refills

      Shim Package Refills

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Boyesen Water Pump Cover & Impeller Kit

      Boyesen Water Pump Cover & Impeller Kit

      Sold out

      Boyesen Water Pump Cover & Impeller Kit

      Regular price $194.95 USD
      Regular price $194.95 USD Sale price $194.95 USD
      Unit price /  per 
      Sold out
    • Big Bore Cylinder Kit

      Big Bore Cylinder Kit

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Intake/Exhaust Valve Guide

      Intake/Exhaust Valve Guide

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • OIL TANK RUBBER FILLER PLUG CHROME SHORT DIPSTICK 2.5"

      OIL TANK RUBBER FILLER PLUG CHROME SHORT DIPSTICK 2.5"

      OIL TANK RUBBER FILLER PLUG CHROME SHORT DIPSTICK 2.5"

      Regular price $14.95 USD
      Regular price $13.95 USD Sale price $14.95 USD
      Unit price /  per 
    • Black Diamond Intake Valve

      Black Diamond Intake Valve

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • DRZ/DLX110 & 140 Performance Camshaft

      DRZ/DLX110 & 140 Performance Camshaft

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Transmission Bearing Kit

      Transmission Bearing Kit

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Crankshaft Bearing

      Crankshaft Bearing

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Exhaust Valve

      Exhaust Valve

      Exhaust Valve

      Regular price $16.69 USD
      Regular price $16.69 USD Sale price $16.69 USD
      Unit price /  per 
    • 2000i Carburetor Module

      2000i Carburetor Module

      2000i Carburetor Module

      Regular price $465.78 USD
      Regular price $465.78 USD Sale price $465.78 USD
      Unit price /  per 
    • Boyesen Factory Racing Clutch Cover

      Boyesen Factory Racing Clutch Cover

      Boyesen Factory Racing Clutch Cover

      Regular price $95.95 USD
      Regular price $95.95 USD Sale price $95.95 USD
      Unit price /  per 
    • Horizontal Engine Cylinder Kit

      Horizontal Engine Cylinder Kit

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • SMOOTH DERBY COVER CHROME M8 SOFTAIL OE#25700973

      SMOOTH DERBY COVER CHROME M8 SOFTAIL OE#25700973

      Sale

      SMOOTH DERBY COVER CHROME M8 SOFTAIL OE#25700973

      Regular price $76.95 USD
      Regular price $80.95 USD Sale price $76.95 USD
      Unit price /  per 
      Sale
    • Cam Chain

      Cam Chain

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • OIL PUMP HI-VOL/PRESS XL 91-17

      OIL PUMP HI-VOL/PRESS XL 91-17

      Sold out

      OIL PUMP HI-VOL/PRESS XL 91-17

      Regular price $282.95 USD
      Regular price $296.95 USD Sale price $282.95 USD
      Unit price /  per 
      Sold out
    • 2000 Programmable Ignition Module

      2000 Programmable Ignition Module

      2000 Programmable Ignition Module

      Regular price $269.72 USD
      Regular price $269.72 USD Sale price $269.72 USD
      Unit price /  per 
    • Main Bearing/Seal Kit

      Main Bearing/Seal Kit

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Head Bolt Cover

      Head Bolt Cover

      Regular price $0.00 USD
      Regular price Sale price $0.00 USD
      Unit price /  per 
    • Dynojet Power Packages Stage 1.5 Kit

      Dynojet Power Packages Stage 1.5 Kit

      Dynojet Power Packages Stage 1.5 Kit

      Regular price $646.54 USD
      Regular price $646.54 USD Sale price $646.54 USD
      Unit price /  per 
    • Black Diamond Exhaust Valve

      Black Diamond Exhaust Valve

      Black Diamond Exhaust Valve

      Regular price $37.95 USD
      Regular price $37.95 USD Sale price $37.95 USD
      Unit price /  per 
    • 1
    • …
    • 79
    • 80
    • 81
    • 82
    • 83
    • …
    • 85

    SUBSCRIBE TO OUR EMAILS

    Be the first to know about new collections and exclusive offers.

    • Facebook
    Payment methods
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    © 2026, Kelly Motorsports Powered by Shopify
    • Privacy policy
    • Shipping policy
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.