Sifton 20-20740 Steel Exhaust Valve for 45-Inch Harley WL Side Valve

Engineered specifically for 45-inch side-valve Harley-Davidson WL models, the Sifton 20-20740 Steel Exhaust Valve delivers reliable exhaust flow and durable performance for 1929–1938 WL engines. Crafted from steel, this valve resists heat and wear, helping your vintage engine maintain smooth operation under typical riding or restoration conditions.

Whether you’re performing a full engine rebuild or replacing a worn component, this valve provides a trusted solution for vintage Harley enthusiasts seeking dependable, long-lasting exhaust performance.

• Part number: 20-20740
• Material: Steel
• Engine compatibility: 45-inch side valve engines on Harley-Davidson WL; fits 1929–1938 WL models
• OEM cross reference: 18082-32
• Country of origin: Taiwan
• Accessory items:
  • 16-0529 - Mini Motorcycle Lift Tool
  • 41-0168 - Gasgacinch Gasket Sealer
  • 41-0151 - Gasoila Red Varnish Sealant

Steel exhaust valve is for 45 inch Side Valve models.

The Sifton 20-20740 Steel Exhaust Valve is designed specifically for 45 inch side valve engines, making it an essential component for restoring and maintaining vintage Harley Davidson WL motorcycles. Crafted from durable steel, this exhaust valve ensures efficient exhaust flow and reliable performance, helping your classic motorcycle operate smoothly. The high-quality material and precise manufacturing process guarantee longevity and resistance to wear under engine conditions. Whether you're performing a full engine rebuild or replacing a worn part, this valve provides a trusted solution for vintage Harley Davidson enthusiasts.

Features:

• Material: Steel for durability and resistance to heat and wear

• Compatibility: Fits 1929-1938 Harley Davidson WL models with 45 inch side valve engines

• Country of Origin: Taiwan, ensuring quality manufacturing standards

• OEM Cross Reference: 18082-32 for compatibility with original parts

• Accessory Items: 16-0529 - Mini Motorcycle Lift Tool, 41-0168 - Gasgacinch Gasket Sealer, 41-0151 - Gasoila Red Varnish Sealant

Fitment:
Harley Davidson G 1929
Harley Davidson G 1930
Harley Davidson G 1931
Harley Davidson G 1932
Harley Davidson G 1933
Harley Davidson G 1934
Harley Davidson G 1935
Harley Davidson G 1936
Harley Davidson G 1937
Harley Davidson G 1938
Harley Davidson G 1939
Harley Davidson G 1940
Harley Davidson G 1941
Harley Davidson G 1942
Harley Davidson G 1943
Harley Davidson G 1944
Harley Davidson G 1945
Harley Davidson G 1946
Harley Davidson G 1947
Harley Davidson G 1948
Harley Davidson G 1949
Harley Davidson G 1950
Harley Davidson G 1951
Harley Davidson G 1952
Harley Davidson G 1953
Harley Davidson G 1954
Harley Davidson G 1955
Harley Davidson G 1956
Harley Davidson G 1957
Harley Davidson G 1958
Harley Davidson G 1959
Harley Davidson G 1960
Harley Davidson G 1961
Harley Davidson G 1962
Harley Davidson G 1963
Harley Davidson G 1964
Harley Davidson G 1965
Harley Davidson G 1966
Harley Davidson G 1967
Harley Davidson G 1968
Harley Davidson G 1969
Harley Davidson G 1970
Harley Davidson G 1971
Harley Davidson G 1972
Harley Davidson G 1973
Harley Davidson WL 1929
Harley Davidson WL 1930
Harley Davidson WL 1931
Harley Davidson WL 1932
Harley Davidson WL 1933
Harley Davidson WL 1934
Harley Davidson WL 1935
Harley Davidson WL 1936
Harley Davidson WL 1937
Harley Davidson WL 1938
Harley Davidson WL 1939
Harley Davidson WL 1940
Harley Davidson WL 1941
Harley Davidson WL 1942
Harley Davidson WL 1943
Harley Davidson WL 1944
Harley Davidson WL 1945
Harley Davidson WL 1946
Harley Davidson WL 1947
Harley Davidson WL 1948
Harley Davidson WL 1949
Harley Davidson WL 1950
Harley Davidson WL 1951
Harley Davidson WL 1952