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V-Twin<sup>®</sup> Dennis Kirk Sweepstakes

R&D - Engine & Exhaust

O-ring for Kawasaki R&D Twin Heads 080-75000
$8.99 O-ring for Kawasaki R&D Twin Heads 080-75000
Manufacturer: R&D
Dennis Kirk Part #: 261413
O-ring for Kawasaki R&D Twin Heads: Manufacturer part # 080-75000 - Sold in pairs.. 080-75000


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R&D - Engine & Exhaust
O-ring for Yamaha R&D Heads 080-76000
$8.99 O-ring for Yamaha R&D Heads 080-76000
Manufacturer: R&D
Dennis Kirk Part #: 261443
O-ring for Yamaha R&D Heads: Manufacturer part # 080-76000 - Sold in pairs.. 080-76000


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R&D - Engine & Exhaust
R&D Catalytic Temp Sensor Chip 802-12001
$20.99 R&D Catalytic Temp Sensor Chip 802-12001
Manufacturer: R&D
Dennis Kirk Part #: 201541
R&D Catalytic Temp Sensor Chip: Manufacturer part # 802-12001 - Sensor is a must-have when replacing OEM catalytic converter with R&D's D-plate. Imitates signal sent to OEM CDI by the catalytic converter's temp probe - prevents sounding of warning devices, engine shut down and CDI flutters. Only necessary with OEM CDI. Plugs into factory wiring harness.. 802-12001


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R&D - Engine & Exhaust
R&D Crankcase Ventilator Kit 203-00216
$34.99 R&D Crankcase Ventilator Kit 203-00216
Manufacturer: R&D
Dennis Kirk Part #: 149234
R&D Crankcase Ventilator Kit: Manufacturer part # 203-00216 - Add a high-performance look to your engine and increase power at the same time. Eliminate crankcase fumes from the engine's main air intake.. 203-00216


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R&D - Engine & Exhaust
R&D Crankcase Ventilator Kit 215-15001
$34.99 R&D Crankcase Ventilator Kit 215-15001
Manufacturer: R&D
Dennis Kirk Part #: 149235
R&D Crankcase Ventilator Kit: Manufacturer part # 215-15001 - Add a high-performance look to your engine and increase power at the same time. Eliminate crankcase fumes from the engine's main air intake.. 215-15001


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R&D - Engine & Exhaust
R&D D-Plate 332-12000
$71.99 R&D D-Plate 332-12000
Manufacturer: R&D
Dennis Kirk Part #: 182337
R&D D-Plate: Manufacturer part # 332-12000 - Takes the place of the stock catalytic converter and delivers the best low, mid and peak overall horsepower. Reduces engine compartment temperatures while maintaining the reliability of the stock exhaust assembly. NOTE: If using this D-Plate with the stock OEM CDI box, Part No. 20-1541 Catalytic Temperature sensor chip is required. 332-12000


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R&D - Engine & Exhaust
R&D Exhaust Emission Blockoff Kit p140324
$33.99 R&D Exhaust Emission Blockoff Kit p140324
Manufacturer: R&D
Dennis Kirk Part #: 140324
R&D Exhaust Emission Blockoff Kit: Manufacturer part # p140324 - Improves low-end performance and top speed averages. Allows better AFR tuning. Works by blocking off OEM exhaust emmission ports found valve cover. A cost-effective solution to prematurely worn or leaking valves caused by heat-damage reed petals. Lowers back pressure and exhaust temperature. p140324


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R&D - Engine & Exhaust
R&D Exhaust Power Sleeve 331-80000
$32.99 R&D Exhaust Power Sleeve 331-80000
Manufacturer: R&D
Dennis Kirk Part #: 251373
R&D Exhaust Power Sleeve: Manufacturer part # 331-80000 - Increases top speed and adds 100 rpm. Designed to insert into stock exhaust stinger to reduce stinger size and increase back pressure. Sold each.. 331-80000


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R&D - Engine & Exhaust
R&D High Performance Racing Cylinder Head - 35cc (rec) 412-70035
$230.99 R&D High Performance Racing Cylinder Head - 35cc (rec) 412-70035
Manufacturer: R&D
Dennis Kirk Part #: 147903
R&D High Performance Racing Cylinder Head - 35cc (rec): Manufacturer part # 412-70035 - Stay ahead of the pack without running down your wallet with an R&D Racing head. These precision-cast heads provide superior design and function, raising your baseline compression ratio for greater overall power. Exact chamber volume match-up with CNC-machined combustion chambers. Increased top-end cooling and high-temp O-rings for sealing due to improved waterjacket areas. No more worrying about the failure of thin gaskets with these direct bolt-on heads. Choose your performance level; "Rec" heads raise the compression value to the optimum level for recreational applications, allowing you to use standard 92-octane pump gas while increasing throttle response and reliability. Higher-compression "Mod" heads are for highly modified engines using high-octane race fuel.. 412-70035


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R&D - Engine & Exhaust
R&D High Performance Racing Cylinder Head 413-90046
$283.99 R&D High Performance Racing Cylinder Head 413-90046
Manufacturer: R&D
Dennis Kirk Part #: 14850
R&D High Performance Racing Cylinder Head: Manufacturer part # 413-90046 - Stay ahead of the pack without running down your wallet with an R&D Racing head. These precision-cast heads provide superior design and function, raising your baseline compression ratio for greater overall power. Exact chamber volume match-up with CNC-machined combustion chambers. Increased top-end cooling and high-temp O-rings for sealing due to improved waterjacket areas. No more worrying about the failure of thin gaskets with these direct bolt-on heads. Choose your performance level; "Rec" heads raise the compression value to the optimum level for recreational applications, allowing you to use standard 92-octane pump gas while increasing throttle response and reliability. Higher-compression "Mod" heads are for highly modified engines using high-octane race fuel.. 413-90046


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R&D - Engine & Exhaust
R&D Silicone Exhaust Coupler  060-05005
$35.99 R&D Silicone Exhaust Coupler 060-05005
Manufacturer: R&D
Dennis Kirk Part #: 261412
R&D Silicone Exhaust Coupler : Manufacturer part # 060-05005 - Designed for high-performance engines. May be used on other after-market systems.. 060-05005


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R&D - Engine & Exhaust
R&D Silicone Exhaust Coupler 060-05003
$21.99 R&D Silicone Exhaust Coupler 060-05003
Manufacturer: R&D
Dennis Kirk Part #: 261411
R&D Silicone Exhaust Coupler: Manufacturer part # 060-05003 - Designed for high-performance engines. May be used on other after-market systems.. 060-05003


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R&D - Engine & Exhaust
R&D Silicone Exhaust Coupler 060-27520
$8.99 R&D Silicone Exhaust Coupler 060-27520
Manufacturer: R&D
Dennis Kirk Part #: 261409
R&D Silicone Exhaust Coupler: Manufacturer part # 060-27520 - Designed for high-performance engines. May be used on other after-market systems.. 060-27520


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R&D - Engine & Exhaust
R&D Supercharger Belt Tensioner Wheel p140326
$71.99 R&D Supercharger Belt Tensioner Wheel p140326
Manufacturer: R&D
Dennis Kirk Part #: 140326
R&D Supercharger Belt Tensioner Wheel: Manufacturer part # p140326 - Gives a wider adjustment range than OEM tensioner wheel. Reduces belt slippage and heat for longer bearing life and more power. Wheel has precision bearing pre-installed. p140326


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R&D - Engine & Exhaust
R&D Supercharger Wheel Hub Kit p140325
$75.99 R&D Supercharger Wheel Hub Kit p140325
Manufacturer: R&D
Dennis Kirk Part #: 140325
R&D Supercharger Wheel Hub Kit: Manufacturer part # p140325 - Stronger than OEM wheel hub with CNC-machined 6061 billet aluminum construction. Aligns pulley wheel with CNC-machined shim kit. Produces precise serpentine belt cog alignment. Includes crank drive and compressor pulley alignment tool. p140325


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R&D - Engine & Exhaust
R&D Timing Advance Plate 44-175001
$46.99 R&D Timing Advance Plate 44-175001
Manufacturer: R&D
Dennis Kirk Part #: 200189
R&D Timing Advance Plate: Manufacturer part # 44-175001 - Boost your performance with R&D's economical bolt-on advance plate. Advances your timing a a complete 6 degrees over stock and significantly improves the low- and mid-range throttle response. CNC-machined from stainless steel. Installs within minutes usiing basic hand tools; thick spacer gasket included. 44-175001


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R&D - Engine & Exhaust
R&D Waste Gate Block-Off Kit p140327
$23.99 R&D Waste Gate Block-Off Kit p140327
Manufacturer: R&D
Dennis Kirk Part #: 140327
R&D Waste Gate Block-Off Kit: Manufacturer part # p140327 - Gets the most out of your supercharger by blocking off leaky or inconsisten OEM waste gate. Gaskets and hardware included. p140327


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R&D - Engine & Exhaust

R&D - Engine & Exhaust