Top End Gasket Kit for Harley Engine EVO Big Twin 80ci 1340CC 1984–1998, Silicone Standard Bore HeadGasket, Rocker CoverGasket & More, Compatible with Standard Bore Engines

Restore the power, performance, and reliability of your Harley-Davidson EVO Big Twin 1340CC with this complete Top End Gasket Kit—designed for standard bore Evolution engines from 1984 to 1998. Whether you're performing a rebuild, correcting compression loss, or fixing oil leaks, this all-in-one set gives you every gasket, seal, O-ring, and washer needed for a thorough top-end refresh. Crafted for precision and durability, each component in this gasket kit is engineered to withstand heat, pressure, and vibration—ensuring a proper seal that protects engine integrity and keeps your Harley running strong. Compatible with a wide range of models including the Electra Glide, Fat Boy, Softail, and Heritage Springer, this gasket kit takes the guesswork out of top-end maintenance or restoration. Whether you're a DIY mechanic or working with a pro, this gasket kit saves time and prevents costly mistakes by ensuring all the right parts are in the box—each built to perform like original equipment. Protect your investment, restore lost power, and ride with confidence knowing your engine is sealed tight and ready to go the distance.

• 🏍️Designed Specifically for Harley EVO 1340 Engines: This complete top end gasket kit is engineered to fit Harley-Davidson Evolution Big Twin 80ci 1340CC models from 1984–1998. Built for standard bore engines, it delivers exact fitment and optimal sealing performance for those restoring classic EVO bikes or performing a reliable top-end rebuild.
• 🏍️Complete Gasket Set – No Guesswork: Includes everything you need for a full top-end refresh: Silicone Standard Bore Head Gasket, Standard Bore Cylinder Base Gasket, Rocker Cover Gasket, Rocker Cover Base Gasket, Cylinder Stud O-Rings, Foamet & Copper Rocker Cover Washer, Flat Style Exhaust Gasket, Intake Manifold Seals, Carb to Backing Plate Gasket, Umbrella Pin, Valve Stem Seal, and Push Rod O-Ring. Avoid compatibility issues or missing parts with this all-in-one solution.
• 🏍️Engine Performance Starts with a Solid Seal: Worn gaskets cause leaks, power loss, and poor compression. This premium replacement gasket set restores sealing integrity, helping maintain optimal engine compression, prevent overheating, and improve fuel efficiency. Ideal for increasing reliability and extending the life of your engine.
• 🏍️Durable Materials You Can Trust: Each gasket is built from high-quality materials designed to handle heat, pressure, and vibration typical of Harley EVO engines. Whether you're riding hard or restoring a garage-kept classic, this gasket kit delivers long-lasting protection against leaks and performance loss.
• 🏍️Great for DIY Riders or Pro Mechanics: Whether you're a seasoned wrench or weekend builder, this gasket kit is designed to make installation straightforward. With proper tools and a service manual, you can replace worn top-end gaskets with confidence—or hand it off to your trusted shop knowing the fit and quality are dialed in.