limiter in 50 RPM steps

Comes with a low 1-1/2" rise for the ultra compact look

S&S offers these parts as 904148

Grade 5 steel

155mm wide

PS, 412 series shock set. 13". STD Duty. Black 1982-03 sving limiter in 50 RPM stepsDescription 412 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