LowPricedAutoParts Premium Viton Positive-Metal Clad Valve Stem Seal (11/32" Stem, .530" Guide) - Fits Ford 302 351 GM 350 20-Pack

Keep your classic Ford or GM vehicle running clean and strong with this premium Viton positive-metal clad valve stem seal 20-pack from LowPricedAutoParts – the retailer of automotive parts and accessories that puts an emphasis on customer service. These seals (Stem Size 11/32", Guide OD .530", Seal OD .630", Length .433") are precision-engineered for a vast array of vintage applications, including Ford 2.3L/2.5L/3.9L/4.7L/5.0L/5.8L/7.5L; GM/Chevrolet 2.5L/3.1L/3.8L/4.1L/4.3L/5.0L/5.7L/6.6L/7.0L/7.5L and similar engines in cars, trucks and high-performance builds from the 1950s through 1990s. These legendary OHV engines powered muscle cars, daily drivers, trucks and classics with robust torque and legendary longevity when properly maintained. Over decades, original seals can harden, crack or wear from heat cycling, oil exposure and mileage – leading to excessive oil consumption, blue exhaust smoke, fouled plugs, valve guide damage or carbon buildup that reduces performance and shortens engine life in restored or still-running vehicles. This premium Viton replacement effectively corrects those problems, featuring positive-metal clad construction for secure guide retention and Viton compound for excellent heat, oil and wear resistance in demanding conditions. The 20-pack format is perfect for complete head jobs, shop inventory or multiple rebuilds. Installation during valve or head service: Clean valve guides and stems thoroughly, inspect for scoring (replace guides if worn), lightly lubricate, use installation tool to press seals into guides evenly, confirm full seating without damage, reassemble rockers/arms to factory specs, and monitor oil consumption/smoke during initial break-in. Professional assistance is recommended for precise fit, clearance and to address any related valve/guide concerns. At LowPricedAutoParts, customer service is our top priority. Message your VIN, exact year/model/engine/head details or any questions – our dedicated team responds quickly to confirm compatibility and offer personalized guidance. Shop with confidence knowing these premium Viton valve stem seals are backed by our commitment to quality parts and exceptional support. We're here to help get your Ford 302, GM 350, classic truck or muscle car sealed tight and running strong – contact us today!

• Premium Viton positive-metal clad valve stem seals (Stem Size 11/32", Guide OD .530", Seal OD .630", Length .433") – designed for classic Ford small/big block & GM small block engines; fits high-mileage classics, muscle cars & trucks; always verify your VIN, head specs & guide OD for exact match on these common vintage applications
• High-temperature Viton with metal clad reinforcement provides superior sealing & long-term durability – controls oil consumption, reduces blue exhaust smoke & protects valve guides in older OHV engines subject to heat & wear over time
• Positive-metal clad design ensures secure guide retention & precise stem alignment – prevents excess oil entry while allowing proper lubrication; ideal for head rebuilds, valve jobs or addressing consumption issues in Ford/GM classics
• 20-pack bulk quantity perfect for full engine service or shop stocking – cost-effective for DIY restorers, mechanics or fleet maintenance on these widespread 1960s-1990s powerplants known for torque & reliability when sealed correctly
• Professional installation recommended: Clean guides/stems thoroughly, inspect for wear (replace if grooved), lube lightly, press seals into guides with installation tool, ensure full seating & clearance; torque rockers to spec & monitor oil use/smoke after break-in
• LowPricedAutoParts puts an emphasis on customer service – send your VIN, year, model, engine details, head casting or photos for quick fit verification; our team is committed to exceptional support & helping you get the right premium Viton seals with confidence