Brand New, OEM never used, heavy duty steel, Purchased from an old line dealer that went out of business
Only used in SL350 K1 1970 with this chain configuration. Will not fit other models
40 tooth.530 Chain, 4 Bolt Mounting, 7.4 cm on center. center hole is 7.0 cm in diameter Please check your bolt mounting pattern as some models used different mounting
Please count your number of sprocket teeth, and check your bolt pattern distances and center opening
These sprockets are new and within +- 2 teeth of specified OEM sprocket sizes from Reputable Sprocket Charts. Smaller number of teeth give you faster acceleration. Larger number of teeth give you more top speed.
Email me with any questions as products are not returnable