2 cm) long

9mm cross cut mounting holes with 6

True High Performance and the best Progressive Suspension has to offer

Mikuni HSR or Delphi inj

PS, 412 series shock set. 12.5". STD/Heavy Duty. Chrome 1980-08 El-delar 2 cm) long412 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