Big Bear Choppers Primary Drive - Primary & Clutch Buyer's Guide

Buyer's Guide

Big Bear Choppers Primary Drive
-Machined forged-aluminum inner and outer cases
-Triple-seal design on the mainshaft
-Starter motor shaft accessory plate is removable for an easy starter change-out
-Primary comes with a high-polish finish with all necessary hardware
For more information, contact Big Bear Choppers at (909) 878-4340, or visit

Carolina Custom Products Custom Primary Cover
-Made from billet aluminum
-Available in chrome
-Optional logo engraving available
For more information, contact (704) 592-2355, or visit

RMD Billet Dual Beltdrive
-Billet machined
-Right-side drive
-Inner primary is fully radiused and machined from aircraft-strength aluminum
For more information, contact RMD Billet at (507) 348-8877, or visit

Belt Drives LimitedSS-2 Beltdrive
-Covers enclose the belt for safety
-Includes ball-bearing clutch
-One-piece billet motor plate and one-piece billet cover
-Reduced lever pull
For more information, contact Belt Drives Limited at (714) 685-3333, or visit

Joker Machine Beltdrive Cover
-For BDL and Primo with CNC-cut grooves
-Fully CNC-machined from 6061-T6 aluminum and polished
-Bolts right onto existing BDL cover stand-offs, and chrome mounting hardware is included
For more information, contact Joker Machine at (909) 613-0028, or visit

Eurocomponents Power Clutch
-New design to make clutch softer
-Power Clutch fits in place of the stock component and works in conjunction with the stock clutch cable
-Available for Evolutions, Twin Cams, Sportsters, and Buells
For more information, contact Eurocomponents at (386) 274-5729, or visit

Hitech LED Black Widow Drive
-3-D design supported with outer support bearings on the clutch basket and engine pulley
-Beltdrives come polished with everything needed for installation
-Fits '90-and-later Softails, Dyna Glides, FXRs, FLTs, and Twin Cams
For more information, contact Hightech LED Products at (818) 887-0136,or visit

Pro-One Beltdrive Covers
-Precision machined from 6061-T6 billet aluminum
-Finished in Pro-One's show-quality chrome or flawlessly black anodized
-Covers install with hidden hardware, while faceplates are secured with mini flush-mount Allen-head screws
For more information, contact Pro-One at (800) 884-4173, or visit

Rivera Primo Brute IV Extreme TM Beltdrive
-3-inch-wide, 8mm open beltdrive
-Features a fully polished one-piece motor plate
-Fits '90-'06 Evos and Twin Cam Softails
-Electric start
For more information, contact Rivera Primo at (562) 907-2600, or visit

Billet 4-U Open-Belt Primary Drive
-For Twin Cam baggers
-Includes floorboard spacer, pulley covers, belt guard, Karata drive unit, backing plate, and jackshaft
-Comes complete with parts to swap out stock primary drive
For more information, contact Billet 4-U at (303) 666-1297, or visit

Tauer Machine Warlord
-3-inch, 8mm open-belt primary available for Softails with electric start
-Lower gear ratio closer to stock
-Billet-aluminum front and rear pulleys provide longevity under high-torque applications
-Available in polish, black wrinkle, and triple show chrome
For more information, contact Tauer Machine at (888) 345-2135, or visit

Evil Engineering Bobber-Style HT Beltdrive
-2-inch billet-aluminum beltdrive built with the HOT (helical offset tooth) design
-Offers the same 7-inch clutch used in the company's 4-inch HT counterpart
-Available in raw or polish with a right-side-drive option
For more information, contact Evil Engineering at (800) 372-8612, or visit

Baker Function-Formed Primary
-Wet primary drive
-Billet forged 6061 aluminum
-Stainless-steel fasteners
-External primary chain adjustment
For more information, contact Baker Drivetrain at (877) 640-2004, or visit

Thunderstruck Soul Shaker Dual-Belt Primary
-Billet design features two 1-3/4-inch belts
-Comes in polished or chrome
-Left or right-side drive available for Evo and Twin Cam models
For more information, contact Thunderstruck Custom Bikes at (541) 779-0340, or visit

Bandit Machine Works Modular Beltdrive
-Available in a variety of belt widths and pulley configurations
-Modular construction allows transmission offsets without using engine or transmission-case spacers
Belt widths are 2.0, 2.5, 3.0, 3.35, and 4 inches
For more information, contact Bandit Machine Works at (717) 464-2800, or visit

Milwaukee Twins Clutch Kits
-Available for '90-'97 Big Twins and '91-'07 Sportsters
-Come with Kevlar friction plates manufactured from 6061-T6 aluminum or high-tempered American steel
-Big Twin kits containing both steel and friction plates have preset clutch-pack height
For more information, contact J&P; Cycles at (800) 397-4844, or visit