Call Us 24x7: 1-800-969-7501 » How To Shop Our Site   » Get a Free Catalog    » GiftCards  
V-Twin<sup>®</sup> Dennis Kirk Sweepstakes

Sleeve Cylinder Sleeve pFL5140, Sleeve Cylinder Sleeve pFL5271

Engine & Transmission: Pro Design Cool Heads Shells PD300
$257.99 Engine & Transmission: Pro Design Cool Heads Shells PD300
Manufacturer: Pro Design
Dennis Kirk Part #: 148124
Pro Design Cool Heads Shells: Manufacturer part # PD300 - Billet machined Cool Heads offer significant bolt-on performance gains. Torque and power are increased by utilizing a 70% squishband to increase compression. A larger water jacket area supplies more water to offer the ultimate in cooling efficiency. Added features include O-ring seal (no gaskets required) and removable compression domes. Cool Heads shells and Cool Domes sold separately so you can dial in your machines compression ratio. , NOTE: Replacement O-ring set 14-7833. PD300


1 on hand


More Info/Options for Pro Design Cool Heads Shells PD300
Engine & Transmission: Pro Design Cool Heads Domes - 17cc PD303
$72.99 Engine & Transmission: Pro Design Cool Heads Domes - 17cc PD303
Manufacturer: Pro Design
Dennis Kirk Part #: 148130
Pro Design Cool Heads Domes - 17cc: Manufacturer part # PD303 - Billet machined Cool Heads offer significant bolt-on performance gains. Torque and power are increased by utilizing a 70% squishband to increase compression. A larger water jacket area supplies more water to offer the ultimate in cooling efficiency. Added features include O-ring seal (no gaskets required) and removable compression domes. Cool Heads shells and Cool Domes sold separately so you can dial in your machines compression ratio.. PD303


1 on hand


More Info/Options for Pro Design Cool Heads Domes - 17cc PD303
Engine & Transmission: Pro Design Cool Heads Domes - 18cc PD304
$72.99 Engine & Transmission: Pro Design Cool Heads Domes - 18cc PD304
Manufacturer: Pro Design
Dennis Kirk Part #: 148129
Pro Design Cool Heads Domes - 18cc: Manufacturer part # PD304 - Billet machined Cool Heads offer significant bolt-on performance gains. Torque and power are increased by utilizing a 70% squishband to increase compression. A larger water jacket area supplies more water to offer the ultimate in cooling efficiency. Added features include O-ring seal (no gaskets required) and removable compression domes. Cool Heads shells and Cool Domes sold separately so you can dial in your machines compression ratio.. PD304


1 on hand


More Info/Options for Pro Design Cool Heads Domes - 18cc PD304
Engine & Transmission: Pro Design Cool Heads Domes - 19cc PD305
$72.99 Engine & Transmission: Pro Design Cool Heads Domes - 19cc PD305
Manufacturer: Pro Design
Dennis Kirk Part #: 148128
Pro Design Cool Heads Domes - 19cc: Manufacturer part # PD305 - Billet machined Cool Heads offer significant bolt-on performance gains. Torque and power are increased by utilizing a 70% squishband to increase compression. A larger water jacket area supplies more water to offer the ultimate in cooling efficiency. Added features include O-ring seal (no gaskets required) and removable compression domes. Cool Heads shells and Cool Domes sold separately so you can dial in your machines compression ratio.. PD305


1 on hand


More Info/Options for Pro Design Cool Heads Domes - 19cc PD305
Engine & Transmission: Pro Design Cool Heads Domes - 20cc PD306
$72.99 Engine & Transmission: Pro Design Cool Heads Domes - 20cc PD306
Manufacturer: Pro Design
Dennis Kirk Part #: 148127
Pro Design Cool Heads Domes - 20cc: Manufacturer part # PD306 - Billet machined Cool Heads offer significant bolt-on performance gains. Torque and power are increased by utilizing a 70% squishband to increase compression. A larger water jacket area supplies more water to offer the ultimate in cooling efficiency. Added features include O-ring seal (no gaskets required) and removable compression domes. Cool Heads shells and Cool Domes sold separately so you can dial in your machines compression ratio.. PD306


1 on hand


More Info/Options for Pro Design Cool Heads Domes - 20cc PD306
Engine & Transmission: Pro Design Cool Heads Domes - 21cc PD307
$72.99 Engine & Transmission: Pro Design Cool Heads Domes - 21cc PD307
Manufacturer: Pro Design
Dennis Kirk Part #: 148126
Pro Design Cool Heads Domes - 21cc: Manufacturer part # PD307 - Billet machined Cool Heads offer significant bolt-on performance gains. Torque and power are increased by utilizing a 70% squishband to increase compression. A larger water jacket area supplies more water to offer the ultimate in cooling efficiency. Added features include O-ring seal (no gaskets required) and removable compression domes. Cool Heads shells and Cool Domes sold separately so you can dial in your machines compression ratio.. PD307


1 on hand


More Info/Options for Pro Design Cool Heads Domes - 21cc PD307
Engine & Transmission: Pro Design Cool Heads Domes - 22cc PD308
$72.99 Engine & Transmission: Pro Design Cool Heads Domes - 22cc PD308
Manufacturer: Pro Design
Dennis Kirk Part #: 148125
Pro Design Cool Heads Domes - 22cc: Manufacturer part # PD308 - Billet machined Cool Heads offer significant bolt-on performance gains. Torque and power are increased by utilizing a 70% squishband to increase compression. A larger water jacket area supplies more water to offer the ultimate in cooling efficiency. Added features include O-ring seal (no gaskets required) and removable compression domes. Cool Heads shells and Cool Domes sold separately so you can dial in your machines compression ratio.. PD308


1 on hand


More Info/Options for Pro Design Cool Heads Domes - 22cc PD308
Engine & Transmission: Pro Design Mega-Flow Water Pump Impelle PD411
$82.99 Engine & Transmission: Pro Design Mega-Flow Water Pump Impelle PD411
Manufacturer: Pro Design
Dennis Kirk Part #: 149673
Pro Design Mega-Flow Water Pump Impelle: Manufacturer part # PD411 - CNC-machined stainless steel. Will not distort when hot unlike cheaper plastic impellers. Keeps coolant in radiator for a longer period to increase cooling efficiency. Perfect for sloppy conditions when mud clogs radiator.. PD411


1 on hand


More Info/Options for Pro Design Mega-Flow Water Pump Impelle PD411
Engine & Transmission: Pro Design In-Line Super Cooler PD540
$31.99 Engine & Transmission: Pro Design In-Line Super Cooler PD540
Manufacturer: Pro Design
Dennis Kirk Part #: 49785
Pro Design In-Line Super Cooler: Manufacturer part # PD540 - Tapered venturi cooler has been shown to reduce cooling system temperatures from 5-10 degrees. Installs in-line on the cylinder return line.. PD540


4 on hand


More Info/Options for Pro Design In-Line Super Cooler PD540
Engine & Transmission: Pro Design In-Line Super Cooler for 60/125cc PD541
$31.99 Engine & Transmission: Pro Design In-Line Super Cooler for 60/125cc PD541
Manufacturer: Pro Design
Dennis Kirk Part #: 490852
Pro Design In-Line Super Cooler for 60/125cc: Manufacturer part # PD541 - Increases the cooling efficiency of any liquid-cooled system. Tapered venturi cooler has been shown to reduce cooling system temperatures by 5-10°. Installs in-line on the cylinder return line.. PD541


1 on hand


More Info/Options for Pro Design In-Line Super Cooler for 60/125cc PD541
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-1
$16.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-1
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380414
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PDS-1 - Control the shift rate, side load pressure and full shift-out poundage of your clutch with secondary - driven - clutch springs. .207 inch chrome silicon construction with 5 percent tolerance - the lowest in the industry including OEM. , 2 1/2 in. Load-32 lbs.. 1 1/4 in. Load-63 lbs. .. PDS-1


1 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PDS-1
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-10
$18.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-10
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380740
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PDS-10 - Control the shift rate, side load pressure and full shift-out poundage of your clutch with secondary - driven - clutch springs. .207 inch chrome silicon construction with 5 percent tolerance - the lowest in the industry including OEM. , 2 1/4 in. Load-47 lbs.. 1 1/4 in. Load-106 lbs. .. PDS-10


2 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PDS-10
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-12
$18.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-12
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380739
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PDS-12 - Control the shift rate, side load pressure and full shift-out poundage of your clutch with secondary - driven - clutch springs. .207 inch chrome silicon construction with 5 percent tolerance - the lowest in the industry including OEM. , 2 1/4 in. Load-63 lbs.. 1 1/4 in. Load-125 lbs. .. PDS-12


3 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PDS-12
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-2
$16.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-2
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380413
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PDS-2 - Control the shift rate, side load pressure and full shift-out poundage of your clutch with secondary - driven - clutch springs. .207 inch chrome silicon construction with 5 percent tolerance - the lowest in the industry including OEM. , 2 1/2 in. Load-49 lbs.. 1 1/4 in. Load-83 lbs. .. PDS-2


2 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PDS-2
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-4
$16.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-4
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380401
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PDS-4 - Control the shift rate, side load pressure and full shift-out poundage of your clutch with secondary - driven - clutch springs. .207 inch chrome silicon construction with 5 percent tolerance - the lowest in the industry including OEM. , 2 1/2 in. Load-44 lbs.. 1 1/4 in. Load-91 lbs. .. PDS-4


4 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PDS-4
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-6
$16.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-6
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380608
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PDS-6 - Control the shift rate, side load pressure and full shift-out poundage of your clutch with secondary - driven - clutch springs. .207 inch chrome silicon construction with 5 percent tolerance - the lowest in the industry including OEM. , 2 1/2 in. Load-50 lbs.. 1 1/4 in. Load-75 lbs. . , , NOTE: Will not fit Polaris ATVs, no purple secondary spring available for Polaris ATVs from Dennis Kirk.. PDS-6


5 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PDS-6
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-9
$18.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PDS-9
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380741
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PDS-9 - Control the shift rate, side load pressure and full shift-out poundage of your clutch with secondary - driven - clutch springs. .207 inch chrome silicon construction with 5 percent tolerance - the lowest in the industry including OEM. , 2 1/4 in. Load-46 lbs.. 1 1/4 in. Load-86 lbs. .. PDS-9


2 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PDS-9
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PEBS1
$18.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PEBS1
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 380907
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PEBS1 - Lets you fine-tune shift rate, side load pressure and full shift-out poundage. Highest quality materials are used. All EPI springs are manufactured using a 5 percent tolerance - the lowest in the industry. , NOTE: Color-Black. 2 1/2 in. Load-73 lbs.. 1 1/4 in. Load-120 lbs. .. PEBS1


1 on hand


More Info/Options for Erlandson Performance Secondary Clutch Spring PEBS1
Engine & Transmission: Erlandson Performance Secondary Clutch Spring PEBS2
$18.99 Engine & Transmission: Erlandson Performance Secondary Clutch Spring PEBS2
Manufacturer: Erlandson Performance
Dennis Kirk Part #: 381000
Erlandson Performance Secondary Clutch Spring: Manufacturer part # PEBS2 - Lets you fine-tune shift rate, side load pressure and full shift-out poundage. Highest quality materials are used. All EPI springs are manufactured using a 5 percent tolerance - the lowest in the industry. , NOTE: Color-Blue. 2 1/2 in. Load-73 lbs.. 1 1/4 in. Load-135 lbs. .. PEBS2