Engine Cylinder Head Cam Valves

The **Quad Logic 100-1226** is a precision-engineered replacement intake valve designed for Polaris Sportsman and Scrambler 850 models (2009–2021). This component is intended for installation in the cylinder head intake valve position, ensuring optimal sealing and performance. Manufactured to exacting specifications, it replicates the original valve’s dimensions and seating profile, maintaining proper compression and engine efficiency during service or rebuild applications.

Key features include a durable metal construction, direct compatibility with Polaris part number **3022099**, and a single-unit design for straightforward installation. Each valve is packaged individually, weighing **6 lbs** with dimensions of **10L x 9W x 1H inches**. Ideal for restorers and mechanics seeking OEM-equivalent quality for high-performance UTV applications.

The Quad Logic Valve Keeper Set (Model 100-5374-8) is a genuine replacement for factory valve keepers in Polaris ACE, General, Ranger, RZR, and Scrambler ATV/UTV engines. Comprising eight precision-machined metal halves, this set ensures secure retention of the valve spring retainer to the valve stem, maintaining optimal engine performance during valve adjustments, top-end repairs, or full rebuilds.

Designed to match original equipment specifications, these silver-colored valve keepers install directly into the factory location without modification. Each set includes eight individual halves, weighing a total of 3 ounces, and is backed by a 1-year manufacturer warranty. Ideal for professional mechanics and DIY enthusiasts, this component is essential for maintaining proper valve function in compatible Polaris engines.

The Quad Logic Top End Rebuild Kit provides a complete solution for restoring performance and longevity in Polaris 850cc engines (Sportsman 850: 2009–2026, Scrambler 850: 2013–2026). Engineered as a direct replacement for factory components, this kit includes two standard-bore (86.93 mm) Namura pistons with Teflon-coated skirts for reduced friction and improved heat dissipation. The package also features a full set of compression rings, wrist pins, circlips, and an OEM-style gasket and O-ring assembly to ensure precise sealing of the combustion chamber, exhaust, and coolant passages.

Designed for high-hour or damaged engines, this kit helps restore optimal compression, power output, and reliability. It replaces OEM part numbers 2204055 (pistons), 5813345 (base gasket), 3087957 (exhaust gaskets), and 3610165 (valve seals). Compatible with both Polaris Sportsman and Scrambler 850 models, this kit delivers factory-level performance with aftermarket precision.

The **Quad Logic M8 x 1.25 x 45mm exhaust manifold studs** provide a direct replacement solution for select **Polaris Sportsman and Scrambler 850/1000 models**, ensuring precise alignment with factory specifications. Designed to secure the exhaust manifold to the cylinder head, these studs maintain proper sealing and prevent exhaust leaks caused by corrosion or wear. Each stud is engineered to match the original equipment manufacturer (OEM) **5132040** thread pitch and length, ensuring a reliable fit in the designated mounting location.

Constructed for durability, these **OEM-compatible studs** help restore optimal exhaust system performance. Ideal for maintenance and rebuild applications, they weigh **2 ounces** per pair and are available under manufacturer part number **100-3138 (2)**. Compatible with multiple Polaris ATV models, these studs ensure a seamless installation process while supporting long-term exhaust integrity.

Quad Logic OEM-Replacement Exhaust Valve – Direct-fit for 2009–2021 Polaris Sportsman 850 and 2013–2021 Scrambler 850 models.

Engineered to exact specifications, this metal intake valve (Quad Logic part #100-1226) replaces Polaris part #3022272, ensuring optimal performance and durability. Single-unit packaging (10 × 9 × 1 in, 6 lbs) provides a seamless upgrade over dealer pricing. Verify compatibility with your model before purchase.