Product Description Sifton Steel Inlet Valve For Harley U Series 1937-1948 Features: Intake Head Diameter: 1.942 Stem Length: 3.71 Sold individually Replaces OEM 18072-37 Sifton Steel Inlet Valve For Harley U Series 1937-1948 at RevZilla Browse all RevZilla deals $44.19 In Stock at RevZilla Buy Now at RevZilla Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Sifton Color Chrome Size OS Condition New MPN 11-0600 Sifton