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Drivetrain Buyer's Guide

By Jordan Mastagni
Buyers Guide Open Belt Drive

Primo Brute IV Open Belt Drive
$2,333.09

This Brute IV Extreme 2007 3-inch Electric Start Open Belt Drive is brand new for Primo and fits all 2006 Dyna models and all 2007 later Softail and Dyna models. The kit includes a one-piece billet motorplate, 3-inch drive belt, front pulley, rear pulley, starter ring gear, and the Pro Clutch.

Rivera Primo
(562) 907-2600
www.riveraengineering.com


Buyers Guide Spring Conversion Kit

Prairie Tech Innovation Diaphragm
Clutch Spring Conversion Kit

Starting At $176

If you've experienced slip and drag from your stock '41-84 big twin's four- or five-speed trans, then the Diaphragm Clutch Spring Conversion Kit may solve your problem. The kit works with your stock hub, basket, and plates.

Prairie Tech Innovations
(877) 992-9910
www.prairietechinnovations.com


Buyers Guide Big Inch Engines

R&R Cycle's Big Inch Engines
Contact For Price

Looking for big power from a big beefy motor? R&R Cycle has plenty of large displacement motors to choose from, including 127, 139, 147, and a whopping 155 ci. R&R Cycle motors are available as Evolution style or Twin Cam style and are made in the USA and CNC machined from high-quality parts.

R&R Cycle
(603) 645-1488
www.rrcycles.com


Buyers Guide Chain Drive Cams

S&S Cycle Chain Drive Cams
$295

S&S has just released these new chain-driven cams for '07-later big twins. The cams are compatible with the stock chain drive. They are also available in many different grinds.

S&S Cycle
(608) 627-0283
www.sscycle.com


Buyers Guide Big Bore Kit

T-Man Performance 135ci Big Bore Kit
$1,325

Attention JIMS 120ci and 131ci engine owners! T-Man Performance has released a big bore kit that bumps up your 120ci or 131ci JIMS engine to 135 ci, featuring custom-designed pistons and ring sets to utilize the 4.375-inch Revolution Performance cylinders spec'd by T-Man Performance. The kit comes complete with cylinders, your choice of flattop or 15-degree domed pistons, and head and base gaskets.

T-Man Performance
(336) 993-7068
www.tmanperformance.com

By Jordan Mastagni
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