Variable Pressure Clutch (vpc By Tak%27s Performance Parts

Pressure

(vpcTak

We have four different pressure clutch springs for any performance engines. '06 and later Big Twin Harley-Davidson stock clutch spring is 280lbs pressure (Yellow). 340lbs spring is about 20% heavier than stock (Blue). 380lbs spring is about 35% heavier than stock, same as a Screaming Eagle heavy duty spring (Green). 480lbs spring is the. VPC (variable pressure clutch. Jump to Latest Follow 1 - 3 of 3 Posts. GrampsT Registered. Joined Oct 26, 2002 11 Posts. Discussion Starter. #1. Oct. Adjust the clutch cable. Ensure free play of 1/8' or more at the clutch lever pivot between the clutch holder and lever without pulling the cable. Install derby cover gasket (Parts#AIM003-001) and derby cover. Tighten bolts to 84-108in-lbs (9.5-12.2 Nm). Tech Note: You can use 18. When you feel that it takes to much from your hand to pull the clutch the Variable Pressure Clutch (VPC) is the ultimate solution. The VPC gives you reduced spring pressure at idle, but when revving up the bob weights use centrifugal force to put more pressure on the clutch than you could ever achieve with a High Performance clutch spring.

Zipper’s Performance Products knows a high performance hot rod often requires highly resilient transmission and drive line components, clutches or even a chain conversion. Variable Pressure Clutch (VPC) View Details Compare. Zipper's Cushion-Drive Chain Conversion Kits for 2015-up Indian Scout. View Details Compare.

Variable Pressure Clutch (vpc By Tak 27s Performance Parts Catalog

AIM strongly recommend VP Performance Kits to upgrade '98 and later Harley-Davidson stock clutch for any performance engines, even a Screamin Eagle Stage 1 Kit (Exhaust pipe, Air cleaner, EFI tuner). Because as you know Harley-Davidson has reduced clutch lever effort from 2006 Big Twin model by reducing clutch spring pressure about 10%. Even though clutch performance is 10% less than before, the current engine size has been increase to 96ci. That means clutch performance may not be enough when you do any engine performance modifications.

Variable Pressure Clutch (vpc By Tak's Performance Parts Catalog

VP Performance Kits are the best product to upgrade Harley-Davidson stock clutch and eliminate unnecessary heavy clutch pull (not like a regular heavy duty spring), but add up to 40% additional pressure to clutch as engine RPM increases (Centrifugal Force) to make very strong clutch clamping force. VP Performance Kit is including VP92T and Clutch spring.

Variable Pressure Clutch (vpc By Tak's Performance Parts Warehouse

Note: In the Chart, The clutch will not slip when there is your engine torque curve below the clutch pressure curve. These pressure and handling torque in the chart are calculated with stock primary and final gear ratio. These numbers will be change by primary and final gear ratio.

Variable Pressure Clutch (vpc By Tak 27s Performance Parts Direct

S&S has a long history of making a lot of power, and a lot of stock clutches have been sacrificed to the “Gods Of Speed”. S&S has come up with a couple of economical ways to beef up your stock clutch so it can handle the power an S&S engine can throw at it.

This Variable Pressure Clutch gives you up to 40% more additional pressure for clutch engagement. Fits behind a stock derby cover and primary cover with NO modification required. The upgrade is a 10 minute installation…

Variable Pressure Clutch (vpc By Tak 27s Performance Parts List

For 1998-up Big Twins with 6 Stud Clutch Hub (Does not fit: ‘13 and later CVO™ and Tri-Glide™, ‘15 and later Ultra Limited Low and Electra Glide Classic Low Models with New H-D® Assist and Slipper Clutch: 3 Stud Clutch Hub) Only $284.95.

S&S also offers a Transmission Mainshaft Bearing Race that won’t “walk” on the shaft when you pour the coal to it. The improved S&S bearing race is a must for any high performance application. Fits 2006-2007 & 2010 – up Big Twins. $51.95.

And to make your stock 1998-later Big Twin clutch a contender, install the new S&S Heavy Duty Diaphragm Spring. And if that isn’t enough, put the squeeze on your clutch pack with the S&S Variable Pressure Plate. The weighted clutch fingers use centrifugal force to increase the pressure on the plates. The faster you spin your engine, the stronger your clutch engagement, all without increasing the clutch lever pull at idle. 380 lbs pressure, 25% stronger than stock. $32.49. More info at S&S Cycle Go Fast.

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