Progressive Suspension 412 Series 11in Black Shocks For 91-17 Harley Davidson 2000 - 3000 lumens Designed and manufactured in the

Designed and manufactured in the USA

6L Duramax w/ 10L1000 Transmission

Gas shocks are included so you can effortlessly lift the rack up even when a tire is installed

These MSD Distributors feature an adjustable cam sync pickup so you can set it to your ECU's requirements (up to 60° BTDC)

1987-2002 Jeep Wrangler W/ AX-5 Transmisison

Progressive Suspension 412 Series 11in Black Shocks For 91-17 Harley Davidson 2000 - 3000 lumens Designed and manufactured in theProgressive Suspension is one of the most reputable aftermarket bike suspension manufacturers. The top tier suspension supplier, the company offers some of the most reliable products in the market. As a bike fanatic, you want the best shocks for your motorcycles. Progressive Suspension 412 shocks are a high performance option that won't break the bank. If you're like many bike fanatics, you probably understand all of your motorcycle's components are