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The V-Twin 49-0039 Replica Rocker Box Set Early Style is machined from accurate castings and features a lightly polished and highlighted surface. This set is a replica of 1941–1947 rocker boxes and accepts the later lower valve spring cups and covers. It is also accurate for 1937–1940 EL models with an EO date code of 1940.
Fitment includes 1938, 1939 and 1940 Harley-Davidson EL models, along with 1942, 1943, 1944, 1945, 1946 and 1947 Harley-Davidson FL models. The V-Twin 49-0039 rocker box set is supplied as a set. The rear exhaust rocker kit and arm seal kit are ordered separately.
Installation requires the V-Twin 14-0451 Knucklehead Rocker Box Seal Kit for 2 Heads when installing the V-Twin 42-6174 Lower Valve Spring Cup Set Parkerized. Use is also required with the V-Twin 14-0455 Tappet Guide O-Ring.
Features:
- Construction: Machined from accurate castings.
- Finish: Lightly polished and highlighted surface.
- Design: Replica of 1941–1947 rocker boxes.
- Compatibility: Accepts later lower valve spring cups and covers.
- Application: Accurate for 1937–1940 EL models with an EO date code of 1940.
- Installation: Requires the V-Twin 14-0451 Knucklehead Rocker Box Seal Kit for 2 Heads and V-Twin 14-0455 Tappet Guide O-Ring when specified.
- Fitment: Fits 1938–1940 Harley-Davidson EL and 1942–1947 Harley-Davidson FL models.
Fitment:
Harley Davidson EL 1938
Harley Davidson EL 1939
Harley Davidson EL 1940
Harley Davidson FL 1942
Harley Davidson FL 1943
Harley Davidson FL 1944
Harley Davidson FL 1945
Harley Davidson FL 1946
Harley Davidson FL 1947
| UOM: SET |
| Country Of Origin: TAIWAN |
| Accessory Items: 42-6174 - Lower Valve Spring Cup Set Parkerized 14-0451 - Knucklehead Rocker Box Seal Kit for 2 Heads 42-6175 - Lower Valve Spring Cup Set Parkerized |
| Tech Notes: Requires VT #14-0451 Knucklehead Rocker Box Seal Kit for installation of VT #42-6174 Lower Valve Spring Cup Set Parkerized. Required to use with #14-0455 V-Twin Tappet Guide O-Ring. |
