Rivera Pro-Clutch
4-speed Knucklehead, UL, Panhead, & Shovelhead Big-Twin Harley-Davidson owners now have the option ofinstalling Rivera Engineering’s new “Pro Clutch.” Rivera’s Pro-Clutch for pre-Evo (PC-1000-A) quickly & easily convertsany early style clutch to modern diaphragm spring function. Pro-Clutch is perfect for restored Harley-Davidson motorcycles with either early model “tin” primary covers, or early model aluminum primary covers. External appearance remains unchanged, while clutch function & horsepower potential is improved dramatically!
TEC # Description Rivera #
33500 All pre-Evo Big-Twin 1936 to 1984.
Use on Primary Belt Drive 4 Speed 		 PC-1000
33502 4 Speed Pre-Evo Big-Twin 1936 to 1984.
Use on Primary Chain Drive		 PC-1000A
33504 1984-89 Evo with chain drive PC-1100C
33506  1990-97 Evo with chain drive PC-1200CA
33508 1998+ Big Twin with chain drive PC-1298CA
 
Replacement diaphragm clutch springs
TEC # Description Rivera #
33515 Standard Black for use with stock motors.  PC-011
33516 Medium Silver, for most street performance PC-011-M
33517 Competition use only, Gold in color. PC-011-C
 
Barnett Clutch pack Replacements for Pro Clutch & BDL
TEC # Application Packs Include
33501 Pro Clutch '36-87 Belt  7 Frictions / 8 Steels
33503  Pro Clutch '36-84 Chain 7 Frictions / 8 Steels
33505 Pro Clutch '84-89 7 Frictions / 8 Steels
33507 Pro Clutch '90-97 9 Frictions /10 Steels
33509 Pro Clutch '98+ 8 Frictions / 9 Steels
33511 Classic Brute 3 & 4 7 Frictions / 8 Steels
 
97555 BDL Competitor '90-97 7 Frictions / 8 Steels
97556 BDL EVO & EVB, Quiet 7 Frictions / 7 Steels
97557 BDL Race /Super Street 9 Frictions / 11 Steels
                

RIVERA PRIMO TPP VARIABLE

Pressure Clutch Assist.

Designed for easy pull at the clutch lever when shifting, but  a dramatic increase of clutch pressure with rpm.

Tested to hold 150HP.

For use with Rivera's Pro Clutches only

TEC # Description
33534 Fits Big Twin '98-07 Rivera Pro Clutch
33535 Fits Big Twin '90-97 Rivera Pro Clutch
33536 Fits Big Twin '36-84 Rivera Pro Clutch
33537 Fits '91 up XL Rivera Pro Clutch
 
Mikuni 42mm Kits for Shovelhead & Ironhead Sportster

Mikuni 42mm carburetor kits for Shovelhead and Ironhead Sportster  complete with Hi-Flow Mikuni air filter assembly, Chrome Cover, Rivera intake manifold (cast finish) & all required brackets & mounting hardware.

This Kit does Requires CV cables...Call TEC for cables.

TEC # Fits Rivera #
33720 Mikuni 42mm kit for Shovelhead RE-SHV-MK
33721 Mikuni 42mm kit for Ironhead RE-XL-MK
 High Performance Taper-Lite push rods by Rivera Engineering
Made from aircraft quality 4130 Chrome-moly, Taper-Lite Collapsible Pushrods make for easy installation or removal without removing the rocker covers.

TEC # Description Rivera #
33650 Twin Cam 1-TL-100-TC
33652 Evo Big Twin 1-TL-100
33654 Sportster 4-Speed 1-TL-110
33655 Sportster 5-Speed  1991+ 1-TL-110-91
33656 Shovelhead 1-TL-120
 
33558 Shovelhead Solid Conversion

Convert your  "Shovelhead" hydraulic lifters and old-style (heavy) pushrods to solid lifters with Rivera Taper-Lite pushrod lifter conversion kit. *IncludesTaper-Lite pushrods, lifter conversion caps/0-rings, and lifter body plugs.

 RE-TL-120SC
 
Primo's Brute Classic Belt Drive System

For pre-Evo Big-Twin motorcycles with 4-speed transmissions. The Brute Classic quickly &conveniently converts an existing OEM chain-drive primary to smooth, reliable belt drive operation. Belt drive advantages include low maintenance requirements, smooth shock absorbing operation, and long dependable belt life. This 1˝” belt system fits inside all pre-Evolution OEM aluminum or tin primary cover assemblies
TEC # Description Rivera #
33540 Classic Brute ‘65-74 Belt drive 8mm Kevlar CP-41-61K
33541 Classic Brute ‘79-84 Belt drive 8mm Kevlar CP- 41-61-AK
 
 
RIVERA'S  Ring & Pinion Kit Converts 102-Tooth to 66Tooth
Today’s big inch or modified Big-Twin motors with exotic or altered ignition timing occasionally cough or backfire during startup. This an cause broken or chipped teeth on the existing 102 tooth starter ring-gear (94 & later Harley-Davidson Big-Twin Models). To avoid this problem, Primo now offers a quality, high performance, easy to install starter-pinion gear. This pinion when installed in a 93 or later starter extension mechanism, allows the use of an early (66 tooth) ring gear. Primo’s pinion-gear, ring gear kit consists of both ring gear (66 tooth) & pinion gear, & ring gear mounting hardware.

 
TEC # Description Rivera #
33529 Ring & Pinion Kit Fits ‘98 up PP-118-RF-L
33530 Ring & Pinion Kit Fits ‘94-97 PP-118-RF
33531 66Tooth Ring gear only  PP-118-HD-66-AY
33532 Pinion gear only  PP-RF-66
 
 
Primo’s Big-Fix Kit
Eliminate the prehistoric caged roller bearings found in all OEM
pre-Evo clutches. The Big-Fix includes 52 American made roller bearings, special high temperature, high-load grease, the retainer, and 3 springs for the clutch hub.
TEC # Description Rivera #
33520 Primo Big Fix Shovel clutch hub bearing kit  PP-105
 
Rivera Tools
 
TEC # Description Rivera #
33525 Tapered Shaft Clutch Hub Puller
Quickly attaches to most Pro-Clutch or PC-2000
Primo Belt Drives diaphragm-spring style
clutch hub to allow quick easy removal		 PC-2000
 
TEC # Description Rivera #
33526 Clutch Hub tool
Engages & holds clutch hub splines to allow
correct torque specification to be applied to the clutch hub nut (left-hand thread) when installing a Pro-Clutch or
Primo Belt drive. 		PC-3000