Used in combination with Accel's 8

Universal use

Mikuni HSR or Delphi inj

99-06 88" Twin Cam

94-02 Buell  (with sprocket shaft bearing tool)

PS, 412 series shock set. 12.5". STD/Heavy Duty. Chrome 1980-08 El-delar Used in combination with Accel's412 series shocks: Best value Progressive Suspension shock, great as stock replacement. Nitrogen charged double steel wall body. Multi staged velocity sensitive valving. Five position cam style preload adjustment. Note: Black 412 shocks may be supplied without lower cover. What are Progressive Suspension's 'Heavy Duty' shocks? If you are a lightweight rider with a lightweight passenger, STD Duty is probably your best choice, heavy duty shocks will