2078S- Big Twins 2078- 1930-1958, 61, 74, 80
Big Twins 2078- 1930-1958, 61, 74, 80. Sportster® 1954-1978. 530 chain, Steel, Available in 49 and 51 teeth. OEM part number 41470-70 or -30, Center hole size 8.300 in. Part is shipped with rivets for mounting.
- High Quality Chromoly steel.:
- Made in USA:
- Check for clearance when not ordering stock tooth size.:
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