Manufactured from the finest materials availableDesigned specifically for Harley models412 Series steel spring shocks are nitrogen gas-charged with multi-stage automatic valving and an adjustable spring preload; proven under extensive testing; easily installed; available in all black or with chromed springs and end caps (shock cartridge is not chrome)Available in standard shocks for the average single rider or heavy-duty shocks better fitted for the touring rider carrying passengers or a body weight of 225 lb. and upShock absorbers carry a one-year limited warranty; shock springs have lifetime warrantiesTUV approvedMade in the U.S.A.NOTE: All shocks are measured center-of-eyelet to center-of-eyelet.NOTE: CHR denotes chrome shock part numbers; BLK denotes black shock part numbers.NOTE: When installing shocks on 84-11 XL models, it may be necessary to modify or space the chain/belt guard to allow proper clearance.NOTE: A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering.NOTE: A shock which is slightly shorter than stock may alter the head angle slightly and provide somewhat slower steering.NOTE: For OEM shock lengths, see Quick Reference Guide in the back of the catalog.NOTE: Some or all shocks listed have TUV approval. Refer to most recent TUV certificate for current listing.