Complete 6-71 Roots Supercharger Kit Compatible with Small Block Chevy 265/283/305/307/327/350/383/400 - Blower with Intake Manifold, Gilmer Pulleys, Belt & Gaskets - Adds 45-55% HP

Features

• [ADDS 45-55% HORSEPOWER] Complete 6-71 Roots-style supercharger kit pumps streetable, instant-throttle boost into your Small Block Chevy - case, double-pinned 3-lobe rotors, factory-timed for consistent boost.
• [FITS ALL SBC BLOCKS] Bolts to standard-deck 265/283/305/307/327/350/383/400. Carb adapter accepts dual 4-barrel square-bore ( 600-850 cfm typical). Verify rotating assembly for sustained race use.
• [COMPLETE BOLT-ON KIT] Includes supercharger, intake manifold, snout, 50T/55T Gilmer pulleys, idler with bracket, 3in belt, V-belt crank pulley, dual-carb adapter, and all gaskets. Carbs/dist/fuel sold separately.
• [BUILT TO SURVIVE BOOST] Heavy-duty front/rear bearing plates handle sustained PSI. Double-pinned rotors prevent slip under detonation. Pop-off valve relocated to rear. 12-month warranty.
• [DIAL IN YOUR BOOST] Ships with 50T/55T pulleys for popular street range. 48T, 60T, 65T sold separately to adjust overdrive for race or street. Intended for racing - verify local emissions.

Description

Every Speedmaster 6-71 supercharger is crafted with robust materials and precision engineering to withstand demanding conditions. Designed for long-term use, the heavy-duty bearing plates and efficient rotor design ensure consistent performance. Supercharger Unit - Polished 6-71 Roots-Style Blower Intake System - Aluminum Supercharger Intake Manifold - Dual 4-Barrel Carburetor Adapter Plate Drive Components - Supercharger Snout with Coupler - Upper and Lower Supercharger Drive Pulleys (50T and 55T) - 3” Gilmer-Style Drive Belt - Idler Pulley with Bracket Assembly Sealing and Hardware - Supercharger to Intake Manifold Gasket - Carburetor Plate Gasket with Screen Mesh - Breakaway Stud Kit Accessory Drive Components - V-Belt Accessory Drive Pulley Alignment and Fitment Components - May include additional alignment or fitment hardware depending on the specific kit configuration. Includes all necessary components for a seamless installation, ensuring a hassle-free setup. Boost your engine’s horsepower by 45-55%, delivering exceptional performance for street and competition applications. Features a polished aluminum case with precision-engineered, double-pinned 3-lobe rotors, timed and clearanced for optimal performance and Speedmaster isn’t just a parts manufacturer—it’s a lifestyle. Born in 1979 from a passion project in a modest garage, we’ve grown into a global force in the automotive world. Our heritage is built on craftsmanship, innovation, and performance. With over 25,000 components, cutting-edge facilities across three continents, and more than 400 skilled staff, we serve enthusiasts who demand the best—on the street, track, or strip. We live for the roar of engines and the thrill of the build. At Speedmaster, we’re a community of builders, racers, and dreamers. Every part reflects decades of knowledge, rigorous testing, and a passion for excellence. Every Speedmaster product is designed, tested, and built in-house with a blend of heritage and technology. Our exclusive DNA line, USA-Assembled Program, and “Track Proven” badge reflect our pursuit of excellence. From engines to transmissions, we push limits while honoring craftsmanship.

Manufacturer: ‎Speedmaster

Brand: ‎Speedmaster

Model: ‎PCE460.1009

Item Weight: ‎120 pounds

Product Dimensions: ‎26 x 20.75 x 16 inches

Item model number: ‎PCE460.1009

Manufacturer Part Number: ‎PCE460.1009

Date First Available: January 13, 2025