Viscosity & Size: This is a straight 60 weight engine oil and is sold in a 1-quart bottle

No modification for forks required

Race use for Enduro and MX electric start bikes up to 800cc

allowing installation without removing the front head

Can be used on all Harley-Davidson Sportsters 1958-1978

412 Series 13.5" Shocks Chrome With Short Covers 1963-1978 Harley-Davidson XL Vendor_Mullins Chain Drive Viscosity & Size: This isThe 412 Series shocks are simply the best value shock on the market today. The 412s simple, durable design means they will be an improvement to your motorcycle's suspension performance for as long as you are riding it. The doublewall steel body construction with nitrogen charged, multi staged velocity sensitive valving gives you smooth, consistent damping. A five position cam style preload adjuster lets you dial in your ride whether you're a light