5-Speed

5 Speed Big Twin Chain Conversion Transmision Sprockets

$0.00

These conversion sprockets will allow you to convert your Big Twin to chain drive and gives you room to run a wider tire. Ideal for racers wanting the extra strength of a chain, clearance to run different tires and simplified gear changes. .750” offset sprockets are a direct bolt-on for 1995-up 5-speed models; 1985-1994 models require a seal and spacer kit listed below (#850-344). 5 SPEED - Choose standard offset of .750”, or extra wide offset of 1.060” or 1.310" (custom fabrication required for .810” and 1.060”).

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5 Speed XL/Buell® Chain Conversion Transmission Sprockets

$0.00

These sprockets are offset towards the engine case in a stock application, and use a flat rear sprocket. Direct bolt-on for ‘91-’94 models; ‘95-'05 models require a seal and spacer kit # 850-940.

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Belt Drive Transmission Pulleys for 1985-2006 5-Speed Big Twins

Andrews®

$0.00

These transmission belt pulleys allow you to change your final drive ratio for faster acceleration or lower RPM cruising on the highway. Installation notes - Changing the final drive ratio will affect speedometer reading; ECM adjustment or a Speedometer Calibration Module may be required to correct reading. Generally speaking, a 1-tooth change can be performed without a belt length change; more than 1 tooth may require changing belt length. Rear axle position adjustment required for each pulley tooth change is +/-.125" (3.2mm), while rear axle position adjustment required for each belt tooth change is +/-.280" (7.1mm). Check axle travel and availability of belts before ordering!

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Zipper’s 5 Speed Big Twin Support Door (Bisagno Style)

Zipper's

$0.00

Zipper’s manufactures the strongest transmission door for Big Twin 5 speed transmissions. This double row ball bearing design provides more shaft support than any other product on the market! This door is the ideal choice for any high performance or hard core racing application. These doors will give you:

Improved shifting
Less frictional losses
Added Support for durability in large power output applications

Machined from 6061 billet - available in either aluminum or black powder coated finish, includes double row bearings, spacers and shaft nuts for assembly. Manufactured, with pride, in the USA!

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Red Shift Cams® 567V2 Cams

Red Shift Cams®

$0.00

567V2: This extremely popular grind is used in our Super Hammer 1200 kit, produces the widest powerband available for the 5-speed 1200 engine! Narrow TDC lift for uncomplicated head set-up; excellent low end power and with great acceleration. RPM to 7200+ with proper setup. Optimum performance with 9.8+:1 compression. Case clearancing required.

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact. ***Please select the radio button next to item of your choice from the options below, then click add to cart*

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Red Shift Cams® 575V2 Sportster® Cams

Red Shift Cams®

$0.00

575V2: New design for hot rod 1200 XL-XR engines. More low end/mid range torque than 567 cams; max power to 6500. Bolts in late model XL-XR engines with factory conical springs (2005-up), however, spring and retainer upgrade is required for high rpm use. Case clearancing required.

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Red Shift Cams® 585V2 Cams

Red Shift Cams®

$0.00

585V2: Performance grind designed for 78”-88” engines. Good manners with great mid-range and top end power in big bore engines. Works very well in big bore Buells and S&S 79” Hot Set Up engines. Requires cam lobe to case clearancing, quality lifters and valve springs.

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Red Shift Cams® 630/585 Cams

Red Shift Cams®

$0.00

630/585: Combination grind for high torque output in 79”- 88” engines. Really pulls down low to accelerate very quickly in the twistys. Strong power in the 2,200-6,000 RPM range. Engine should have 9.5-10:1 compression and good flowing heads.

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Red Shift Cams® 643V2

Red Shift Cams®

$0.00

643V2: High output cams for 79”-99” competition engines. 11:1 compression needed for best results. Will deliver 7000+ RPM power with high breathing heads. Lower TDC lifts to reduce chamber volume in heads for ease of installation. Requires cam lobe to case clearance, quality lifters and high quality valve springs.

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Red Shift Cams® 729V2

Red Shift Cams®

$0.00

729V2: Dragster cams for 5 speed XL engines, and aftermarket cases with on-center tappets, 88” and up. Designed for max output of torque and HP. Requires high compression (12:1 min), case clearance, tappet modifications, Pro Geometry roller rockers in 1.62 or use 1.75 to 1.85 rockers for more lift. Not available for XR1200 models.

Not legal for sale or use in California on any pollution controlled motor vehicle. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Zipper's is here to help, if you have a question(s) please scroll down and fill out the form and hit send. We will review your question(s) and we will be in contact.

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Zipper’s Zip-Rack 5 Speed Transmissions

Zipper's

$0.00

The ‘Zip-Rack’ is a fully assembled shaft and gear set that has been treated with our famous back-cut service. We start with a full set of new Andrews gears and shafts. The engagement dogs are carefully machined to the proper rake and depth by Zipper’s for positive engagement, eliminating missed shifts at high RPM. The gears and shafts are assembled with new thrust washers and bearings, then installed on a billet door. Big Twin models are assembled using our billet transmission door specially machined to include super-strong double-row ball bearings which minimize shaft flex while providing the best support and strength possible. Machined billet or black powder coat finish.

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Zipper’s Billet Door for 5 Speed Sportsters®

Zipper's

$299.95

CNC machined from 7075-T6 billet aluminum, our door strengthens this critical area and provides rigid support for the transmission shafts. Includes grade 8 mounting hardware, shift drum bushing, main and countershaft ball bearings and circlips installed for your convenience. Made in USA.

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