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AIM Corp.

Diaphragm Spring 480 lbs, for '98 and later BT

Item Diaphragm spring, 480lbs
Parts #  AM007-480
MSRP $50.00

'98 and later Big Twin models 6 Studs Style Clutch

(except '13 and later Big Twin Model with A&S Clutch, 3 Studs Style)



  • 480 lbs pressure, 40% stronger than stock.
  • Compatible with our VP clutches.

Note : The clutch spring pressure is related on the pressure spot of the retaining ring. There are at least 4 different type of springs in the market. The 480 lbs spring installed with an aftermarket aluminum retaining ring product will Not give you the 480 lbs of clutch pressure for performance.

Want to have a lighter pull and better performance? Please check our VP68LT