4pcs Hydraulic Lifters & Gasket Set Bundle For Harley Engines 1340cc 1984-1999 - Replaces OEM 18523-986B Harley Lifters, Fits Evolution Big Twin, Sportster, Dyna, Softail

Upgrade your Harley-Davidson Evolution 1340CC engine with this complete top-end rebuild bundle—combining high-performance hydraulic roller lifters with a full gasket set for Big Twin 80ci models (1984–1998). Whether you're restoring a classic or servicing a high-mileage daily rider, this kit provides everything you need for a smooth, reliable engine refresh in one convenient package. The included Street Sport Industries hydraulic lifters are built from 20Cr alloy steel and CNC-machined for precision valve timing, reduced friction, and quiet operation. These self-adjusting lifters restore consistent valve lash and are designed to boost power, throttle response, and fuel efficiency while minimizing maintenance. Paired with a comprehensive top-end gasket set—featuring head gaskets, rocker cover gaskets, O-rings, manifold seals, and valve stem seals—this bundle ensures a tight, leak-free seal and maximum performance from your EVO engine. Each gasket is made to withstand heat, pressure, and oil exposure for dependable longevity. Compatible with standard bore EVO 1340CC engines, this all-in-one solution eliminates the hassle of sourcing parts individually. Ideal for rebuilds, custom upgrades, or preventative maintenance, this bundle helps you restore your ride with confidence—ensuring your Harley runs as strong as it looks.

• 🏍️COMPLETE EVO ENGINE REFRESH BUNDLE – This all-in-one kit includes 4 high-performance hydraulic roller lifters and a full top-end gasket set—everything you need to restore compression, reduce oil leaks, and boost engine response in Harley-Davidson Evolution Big Twin 1340CC 80ci models from 1984–1998. Designed for easy installation and long-term reliability in high-mileage builds or full restorations.
• 🏍️ENGINEERED FOR HARLEY-DAVIDSON BIG TWIN 80CI – Built to fit EVO 1340CC engines with standard bore, this bundle ensures exact compatibility across a wide range of Harley models including Electra Glide, Softail, Dyna, Road King, and more. The lifters replace OEM 18523-86 / CY18523-86B, and the gasket kit includes 25+ components for a full top-end seal.
• 🏍️BOOSTS HORSEPOWER & SMOOTHS PERFORMANCE – The precision roller lifters improve valve timing and reduce friction, helping to increase throttle response, power, and fuel efficiency. Combined with new top-end gaskets, you restore optimal compression and eliminate harmful leaks—bringing your engine back to life with power you can feel.
• 🏍️PREMIUM MATERIALS FOR LONG-LASTING DURABILITY – The lifters are made from heavy-duty 20Cr alloy steel, CNC machined, and TS16949-certified for strength under pressure. Gaskets and seals are made to withstand heat, vibration, and oil exposure, giving you the dependable protection your engine needs to go the distance.
• 🏍️IDEAL FOR REBUILDS, UPGRADES & CLASSIC RESTORATIONS – Whether you’re refreshing a high-mileage cruiser or building a show-quality EVO from the ground up, this bundle simplifies your parts search and guarantees performance. Trusted by riders and builders alike, it’s the smart choice for EVO top-end service.