Availability
Half Scale Dragsters carry the Polar clutch replacement components you need for optimum shifting performance. From sheaves, sleeves, springs, and spacers, to bushings, buttons, and posts, Half Scale Dragsters deliver the parts to keep your Polar clutch consistent, smooth, and on track for the win!
Not Yet Reviewed
$22.99
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$129.99
Jr. Dragsters perform regular maintenance on their cars—and that includes replacing the various worn-out jackshaft components like supports, spacers, sensor tabs, and more. Half Scale Dragsters offers these parts in the appropriate shapes and sizes to match your specific needs, and experts recommend installing some new pieces often for top performance in every race. Stay ahead of the competition and order Half Scale Dragsters replacement jackshaft components before you need them!
Not Yet Reviewed
$189.99
Tune your Polar clutch with Half Scale Dragsters primary springs. They offer a selection of colors that will allow you to lower, raise, or keep the engagement of your clutch just as it was when it was new. Rely on primary springs from Half Scale Dragsters to help take your child through their entire junior racing career!
Not Yet Reviewed
$42.99
Half Scale Dragsters Polar Vortex clutch assemblies feature an efficiently designed clutch cover and ramp holder for a more consistent clutching experience. Their adjustable primary post allows for better belt clearance adjustment, improved clutch arms and Oilite bearings, and roller-to-ramp adjustment capabilities. Vortex clutches are available in standard ratio or overdrive. You have a choice of complete clutch assemblies or individual components. Get the most out of your Jr. Dragster with Polar Vortex clutch assemblies from Half Scale Dragsters.
Not Yet Reviewed
$949.99
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$999.99
Z Automotive TranZformer electronic shift kits transform your car into a neck-snapping, tire-chirping fun to drive beast that at the press of a button, returns to stock. Best of all, they're completely hidden. Available in Gen 1 or Gen 2 kits, you can have your NAG1 transmission shift how YOU want it to. You get to modify shift firmness to fit your driving style/mood, plus a lot more. They install in minutes, connecting via wiretaps into wires hidden behind the steering column lower cover. Once installed, TranZformer kits will modify transmission parameters for that real "old school" muscle car shift feel. Chirp through gear shifts or just firm them up a little for towing or for track use; use your steering wheel buttons and EVIC screen (or cruise stalk/buttons for those without EVIC) to adjust shift firmness on-the-fly, whenever you want; connect to your PC via USB cable to dial-in independent upshift and downshift boost percentages (0 to 100) for each gear in both Drive and AutoStick mode. You can reduce the time delay when shifting into Reverse and Drive, adjust shift firmness scaling based on throttle position, and reset or kill the TCM's adaptive learning system, keeping the TCM from dialing back the shift firmness over time. Select the kit designed for your vehicle. Some of the features and benefits (may vary by kit): * Z Automotive Programming Utility (for Windows PCs only) allows you to program shift parameters, view status, update the firmware, and more * Steering wheel shifting (SWS) allows you to use your steering wheel's buttons to manually control gear shift while keeping your hands on the wheel * AutoUpshift allows you to set your own shift points when in AutoStick * Line Lock mode holds the vehicle with the front brakes so you can hit the gas and do a perfect burnout Peak rpm display: Will display actual shift rpms after each shift--great when adjusting auto upshift to squeeze every last bit out of that high revving cam, or to check what rpm you hit when shifting manually * 0 to 30 and 0 to 60 timer Reset adaptives: Will reset TCM adaptives any time you wish
Not Yet Reviewed
$259.00
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$289.00
Nothing is tougher on a torque converter than putting it behind a blown fuel engine. Made for supercharged engines, ATI Fuel & Blown torque converters are designed for the ultimate in high-horsepower holding for big cubic inch nitrous or supercharged engines. They feature a special 22-element sprag with double-cage construction to simultaneously control each sprag element. The sprag sits in concentric races that are heat-treated to 65 on the Rockwell C scale. A specification sheet must be filled out prior to ordering. Please call us at 1-800-230-3030 for further information.
Not Yet Reviewed
$1,263.99
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$1,499.00
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