VP Selection tip:
Select your clutch by your engine max torque, if you don't know it use the engine displacement to select the right part.
1998 and later Big Twin models
| Picture | Name(1) | VP Parts # | Type of spring(2) | *1Suggested engine displacement | *1Max Torque @4000rpm(3) | Initial spring load | *2Clutch pull reduction(4) |
|---|---|---|---|---|---|---|---|
 |
VP67T | VP001-67T | Stock | up to 88"(1450cc) | 96 ft-lbs | 180 lbs | -40% |
| #AM007-340 | up to 96"(1580cc) | 205 ft-lbs | 180 lbs | -32% | |||
| #AM007-380 (S.E.) | up to 103"(1690cc) | 113 ft-lbs | 230 lbs | -25% | |||
| #AM007-480 | up to 124"(2000cc) | 132 ft-lbs | 290 lbs | -5% | |||
 |
VP83S | VP002-83S | Stock | up to 96"(1580cc) | 102 ft-lbs | 240 lbs | -20% |
| #AM007-340 | up to 103(1690cc) | 112 ft-lbs | 270 lbs | -10% | |||
| #AM007-380 (S.E.) | up to 110"(1800cc) | 123 ft-lbs | 305 lbs | 0% | |||
| #AM007-480 | up to 131"(2120cc) | 149 ft-lbs | 385 lbs | +30% | |||
 |
VP84T | VP014-84T | Stock | up to 103"(1690cc) | 116 ft-lbs | 240 lbs | -20% |
| #AM007-340 | up to 116"(1890cc) | 126 ft-lbs | 270 lbs | -10% | |||
| #AM007-380 (S.E.) | up to 124"(2000cc) | 137 ft-lbs | 305 lbs | 0% | |||
| #AM007-480 | up to 145"(2280cc) | 163 ft-lbs | 385 lbs | +30% | |||
 |
VP92T | VP008-92T | Stock | up to 124"(2000cc) | 129 ft-lbs | 280 lbs | -7% |
| #AM007-340 | up to 131"(2120cc) | 140 ft-lbs | 315 lbs | +5% | |||
| #AM007-380 (S.E.) | up to 145"(2200cc) | 153 ft-lbs | 355 lbs | +18% | |||
| #AM007-480 | up to 155"(2360cc) | 182 ft-lbs | 445 lbs | +48% | |||
| *1: Calculated number *2: (-) Reduction (+) Increase | |||||||
(1) On 1998 3holes derby cover may require a derby cover spacer to use VP67T, VP84T and VP92T.
(2) Stock Spring: 300 lbs / Screaming Eagle(S.E.) Spring 380 lbs.
(3) Need to be checked below 4,000RPM to be sure.
(4) Clutch pull becomes heavier as RPM increases.
(2) Stock Spring: 300 lbs / Screaming Eagle(S.E.) Spring 380 lbs.
(3) Need to be checked below 4,000RPM to be sure.
(4) Clutch pull becomes heavier as RPM increases.
Big Twin Evolution (1990 to 1997) Style
These kits will be supplied with special spring for specific engine size.
|
Picture
|
Name
|
Parts #
|
Spring
|
Max EngineSize
|
Max Torque @4K RPM
|
Spring Load at idle
|
Lever pull reduction from stock
|
 |
VP-Evo
|
VP-004-190
|
190 lbs
|
80"/1340cc
|
100 ft-lbs
|
190 lbs
|
40%
|
|
VP-004-240
|
240 lbs
|
96"/1565cc
|
115 ft-lbs
|
240 lbs
|
25%
|
||
|
VP-004-320
|
320 lbs
|
124"/2000cc
|
140 ft-lbs
|
320 lbs(same as stock)
|
0%(same as stock)
|
*caution--May need modification or May have interference problem on '90 to '93 FXR and FLT when installing VP-Evo
Sportster (1991 to 2003) Style
These kits will be supplied with special spring for specific engine size.
|
Picture
|
Name
|
Parts #
|
Spring
|
Max EngineSize
|
Max Torque @4K RPM
|
Spring Load at idle
|
Lever pull reduction from stock
|
 |
VP-Sport
|
VP-005-150
|
150 lbs
|
55"/883cc
|
85 ft-lbs
|
150 lbs
|
55%
|
|
VP-005-190
|
190 lbs
|
74"/1200cc
|
98 ft-lbs
|
190 lbs
|
40%
|
||
|
VP-005-240
|
240 lbs
|
100"/1630cc
|
111 ft-lbs
|
240 lbs
|
25%
|
||
|
VP-005-320
|
320 lbs
|
124"/2000cc
|
140 ft-lbs
|
320 lbs(same as stock)
|
0%(same as stock)
|
*caution--'91 to '93 Sportster requires to use '94 and later Primary cover due to clearance issue