SCREW TAPPET ADJUSTING
Engine Valve Tappet Adjuster Screws.
Fits Jeep MB, GPW, M201, M38, CJ2, CJ3A, CJ3AB, M38A1 & CJ5 (8 per engine).
Also fits DODGE WC, T214 engine (12 per engine)
Tappet adjusting screw
For 4-cylinder L-134 Go Devil engine
Adjusting screw for the valve tappet, essential component for correct valve clearance. The screw is threaded into the lifter and enables adjustment of the valves to specification.
|
Thread pitch 24 TPI (threads per inch) |
Application Valve tappet (tappet/lifter) |
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Engine 4-cylinder L-134 flathead |
Quantity required 8 pieces per engine |
Features
- Adjusting screw for tappet (lifter)
- 24 threads per inch (24 TPI)
- 8 pieces required for a complete L-134 engine
- Enables precise valve adjustment
- Interference fit — tight fit in the lifter
★ Replaces worn or damaged adjusting screws and ensures correct valve clearance.
Installation notes
The adjusting screw is threaded into the lifter and can only be replaced by removing the cylinder head and withdrawing the relevant valve. When adjusting valve clearance: rotating one hexagon flat corresponds to 0.007" (0.18 mm) change in valve clearance. Normal adjustment for the L-134: 0.014" to 0.016" (0.36-0.41 mm) valve clearance.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
⚠ Spotted an error in this description? Report it to info@willys.be
This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
ALL_CATEGORIES : Upper Engine CJ2A, Upper Engine Valve CJ2A, Upper Engine Valve CJ3A, Camshaft pinion CJ3A, Upper Engine M38, Upper Engine Valve M38, Camshaft pinion CJ3B, Upper Engine Valve CJ3B
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 1942, 1943, 1944, 1945 |
| Ford GPW | 1942, 1943, 1944, 1945 |
| Hotchkiss M201 | 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 |
| Willys M38 | 1950, 1951, 1952 |
| Willys M38A1 | 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971 |
| CJ series | |
| Jeep CJ-2A | 1945, 1946, 1947, 1948, 1949 |
| Jeep CJ-3A | 1949, 1950, 1951, 1952, 1953 |
| Jeep CJ-3B | 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968 |
📐 Diagrams & technical drawings
From the original Technical Manual CJ2A_PL_1949 — Parts List — only for Willys CJ-2A / CJ-3A (1949)









