Family owned and operated since 1982, Enginetech is the Engine Builder’s source for high quality engine parts. Enginetech offers a complete line of products for virtually every engine, including import and domestic engines. Our product line includes complete engine kits as well as individual components to suit your needs. We offer nationwide distribution, and incredible customer service. Enginetech parts are engineered specifically for the engine rebuilder. We treat our customers as we ourselves would want to be treated, and we are passionate about going above and Features Designed specifically for the engine rebuilder Domestic and Imports Applications Packaged in multi-packs for every engine requirement Simple part numbering system Superior design and materials of Seals Superior packaging helps you stay organized Application Summary1973-1974 Ford F-100 3.9L 3933CC 240CID L6 OHV 12 Valve Naturally Aspirated GAS1973-1974 Ford F-100 7.5L 7539CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1973-1974 Ford F-250 7.5L 7539CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1973-1974 Ford F-350 7.5L 7539CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1974 Ford Ranchero 7.5L 7539CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1975-1977 Ford Ranchero 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1975-1978, 1983-1987 Ford F-250 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1975-1979, 1983-1997 Ford F-350 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1975-1980 Ford E-250 Econoline 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1975-1987 Ford E-250 Econoline Club Wagon 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1975-1987 Ford E-350 Econoline 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1977-1987 Ford E-350 Econoline Club Wagon 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1978 Ford E-100 Econoline 7.5L -CC 460CID V8 OHV 16 Valve Naturally Aspirated GAS1979 Ford F-100 4.9L 4917CC 300CID L6 OHV 12 Valve Naturally Aspirated GAS Part Numbers: Specifications Brand: Enginetech Part Number: S9220-20 Part Type: Engine Valve Stem Oil Seal UPC: 707473100380 GTIN: 00707473100380 Item Dimensions: 5.25 x 3.25 x 1.25 IN Item Weight: 0.25 lb Package Dimensions: 5.25 x 3.25 x 1.25 IN Package Weight: 0.25 LB Package Quantity: 20 EA Et_seal Length: .530 Guide_od: .625 Pkg_qty: 20 Stem_od: .344 Valve Stem Size: 11/32