Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededPCE460.1015 Complete 6-71 Roots Supercharger Blower Kit for GM LS1 Engines
Ships on Sep 03, 2026
Lowest Price GuaranteeSpeedmaster PCE460.1015 Features:
- Type: Supercharger, Roots Style Kit
- Engine Block Style: LS1
- Intake Included: Yes (Billet CNC)
- Intake Finish: Polished
- Supercharger Supercharger Model: 6-71
- Supercharger Finish: Polished
- Supercharger Pulleys Included: Yes
- Pulley Teeth Count: 50/55
- Supercharger Lobe Qty: Three
- Pulley Style: Gilmer
- Dampner Included: No
- Belt Tensioner Included: Yes
- Belt Included: Yes
- Nose Style: 3.9" Snout
- Crankshaft Pulley Grooves: N/A
- Carburetor Quantity: Two
- Linkage Included: No
- Notes: Speedmaster offers other pulleys to decrease or increase underdrive. Sold Separately.Does not include dampner for kit. Must Purchase ATI Performance Products 917246 and 918993 to complete install
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Big Power Street Supercharger Kits
Speedmaster's 6-71/8-71 Street Supercharger Kits provide vehicles with 45-55 percent more streetable power. The kits feature double-pinned rotors, heavy-duty front and rear bearing plates, and an intake manifold with a pop-off valve relocated to the back. Each includes everything required to install; intake manifold, upper and lower drive pulleys, an idler pulley and bracket, a dual V-belt accessory drive pulley, a 3-in. Gilmer-style drive belt, and gaskets and hardware. Speedmaster also includes an adapter plate for two 4 barrel carburetors that is polished to match the supercharger.
Show More
Unlock exhilarating performance with the Speedmaster Complete 6-71/8-71 Street Supercharger Kits—a turnkey power upgrade handcrafted for the serious enthusiast. Designed to deliver a thrilling, street-tuned boost, these kits offer an estimated 45–55% increase in usable horsepower, blending raw performance with reliable drivability.
At the heart of the kit lies a robust Roots-style blower featuring precision-built, double-pinned rotors with meticulous timing and internal clearance. Heavy-duty front and rear bearing plates ensure stability under extended use, while an intake manifold with a rear-mounted pop-off valve enhances throttle response and heat management. This all-inclusive package ships complete with intake manifold, upper and lower drive pulleys, idler pulley with bracket, dual V-belt accessory pulley, 3-inch Gilmer-style drive belt, and all required gaskets and hardware. Also included is a polished dual-four-barrel carburetor adapter plate, elevating both ease of installation and visual appeal.
Whether you’re searching for a 671 blower for sale or aiming to upgrade your classic SBC setup, this kit delivers comprehensive value and throttle-commanding power in one smart package. Enthusiasts looking for a 671 blower kit for sbc will appreciate the ease of fit and high-quality components included here. And for those referencing 6 71 blower sbc performance, this kit stands out for its blend of torque, reliability, and bolt-on convenience.
Transform your ride with Speedmaster’s Complete Street Supercharger Kit—where potent power, engineering reliability, and street-friendly usability come together. Make every drive an adrenaline-charged experience.
