3/4-18 threaded

OEM replacement reference 35614-80

5 and 10 stud clutch hubs on all 41-E84 B

3200-5700 RPM overall power increase

This bolt-on big bore Sidewinder kit is as big as possible

Inner Primary cast 1965-69 lyftare och stötstänger 3/4-18 threadedNatural cast finish. OEM style reproduction replacement aluminum inner primary cover with OEM style cast finish. Complete with pre installed mainshaft support bearing and inner chain adjuster detent plate. Complete as shown. OEM replacement reference 60617 65A. Note: Sand cast for strength. Note: This cast inner primary cover is slightly larger than die cast replacements. Installer can machine or polish down the edges for a perfect match. Installation