Product Description Coil is for carb Twin Cam For optimal performance use 381-656 or 381-703 plug-in ignition modules or stock Twin Cam ignitions Replaces OEM 31655-99 (will not fit in place of OEM 31639-99) Daytona Twin Tec High Output Coil for Twin Cam at J&P Cycles Browse all J&P Cycles deals $100.99 In Stock at J&P Cycles Price checked 10 days ago Buy Now at J&P Cycles Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Daytona Twin Tec Size OS Condition New MPN 2008 Daytona Twin Tec