RINGS SIZE 030 (SET)
Piston Ring Set 030 Oversize - Complete Set
For L-134 and F-134 Four-Cylinder Engines
Complete piston ring set in oversize 030 (0.030 inch) for rebuilding the 4-134 engine. This set contains rings for all four pistons and is suitable for both L-head (flathead) and F-head variants of the legendary Go Devil and Hurricane engines.
|
Material Cast iron |
Oversize 030 inch (0.762 mm) |
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Application 4-134 L-head and F-head engines |
Set contents Complete set for 4 pistons |
Features
- 030 oversize for worn cylinders
- Suitable for both L-134 and F-134 engines
- For flathead and overhead valve configurations
- Complete set including compression rings and oil rings
- Direct replacement for original
★ High-quality piston rings for professional engine restoration to original specifications.
Application
Suitable for 4-134 engines in Willys MB (1941-1945), Ford GPW (1941-1945), CJ-2A (1945-1949), CJ-3A (1948-1953), M38 (1950-1952), CJ-3B (1953-1968), M38A1 (1952-1963), CJ-5 (1955-1971), CJ-6 (1955-1971), Hotchkiss M201, various Willys trucks, Station Wagons and Jeepsters fitted with L-134 or F-134 engine.
Installation notes
Requires professional cylinder boring to 0.030 inch oversize (bore 3.155 inch / 80.14 mm). Check ring end gap according to specifications (top ring approx. 014 inch, second ring approx. 017 inch). Fit using piston ring pliers to avoid damage. Lubricate cylinder walls before installation.
Compatibility
Fits both chain-driven (early MB/GPW/M201/early CJ-2A) and gear-driven (late CJ-2A/CJ-3A/CJ-3B/M38/M38A1) variants of the 134 ci engine. Not suitable for standard bore — only for engines bored 0.030 inch oversize. Other oversizes available are 0.010, 0.020, 0.040 and 0.060 inch.
Historical context
The Willys 134 ci engine (both L-134 flathead and F-134 overhead valve) was the beating heart of millions of WWII and post-war jeeps. These piston rings enable professional restoration of worn engine blocks, allowing these historic engines to be returned to original condition.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
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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 : Piston,Rings & Bearings CJ2A, Rings CJ3A, Piston,Rings & Bearings M38, Rings - M38, Rings CJ3B
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 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 |
📐 Diagrams & technical drawings
From the original Technical Manual CJ2A_PL_1949 — Parts List — only for Willys CJ-2A / CJ-3A (1949)
From the original Technical Manual TM 10-1513 — Maintenance Manual — only for Willys MB / Ford GPW (1942)
