Product Description Jims Transmission 5 Speed Mainshaft For Harley Big Twin Direct OE replacement. Features: Replacement transmission 5 speed splined mainshaft Replaces OEM 35042-91 Jims Transmission 5 Speed Mainshaft For Harley Big Twin 1991-2006 at J&P Cycles Browse all J&P Cycles deals $467.65 In Stock at J&P Cycles Buy Now at J&P Cycles Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Jims Size OS Condition New MPN 35042-91 Jims