Product Description Sifton Steel Intake Valve For Harley Flathead 1936-1973 Features Intake Replaces OEM 18070-32 Sifton Steel Intake Valve For Harley Flathead 1936-1973 at RevZilla Browse all RevZilla deals $39.80 In Stock at RevZilla Buy Now at RevZilla Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Sifton Size OS Condition New MPN 11-0601 Sifton