Top 20 Best Selling Power Pulleys Performance Parts (2019)




To assure proper piston ring end-gap, the piston ring filer enables the user to file piston rings quickly and accurately. Position the piston ring firmly against the dowel pins, crank the handle to turn the abrasive wheel. Using a feeler gauge, file the p ... more info

JET Performance under drive Pulley Kit offers easy horsepower and torque increases for your vehicle. It provides an exclusive full range tuning of the air/fuel ratio, ignition advance and various other parameters. Each tune is track and dyno tested to ens ... more info


Spectre’s Double Belt Groove Water Pump Pulley was designed for ’69-’85 small block Chevrolet engines with long water pumps. Measuring 6 3/8 inches in diameter, the double belt groove water pump pulley is triple chrome plated steel. Identify the water pum ... more info


Professional Products Iron Pulley Spacer for Ford 5.0 Liter features a spacer instead of the standard 81007 aluminum spacer on a 5.0 liter Ford engine with a belt driven supercharger. ... more info



For engines with monster cubic inches or compression ratios, these 100% NEW starters challenge the specifications, durability, and reliability of anything on the market. Built from scratch with all-new components, the torque rating is a healthy 4.41:1 gea ... more info

Your stock fan robs your engine of up to 15 or more horsepower! Replace it with a rugged, universal-fit fan equipped with an adjustable 180-240 degree F thermostat. Bolts to your radiator supports using sturdy brackets. With a heavy-duty motor, highly ang ... more info



This reversible fan helps prevent overheating in stop-and-go traffic, designed to fit the most popular cars and trucks, increases gas mileage, improves engine performance, frees the water pump pulley for more RPM, installs in minutes with simple hand tool ... more info

Spectre’s high quality crankshaft, alternator and engine pulley sets are designed to help dress up your engine compartment. All of our pulleys are designed to work in OE applications and with the OE style serpentine or v-belt configuration. ... more info



Speed By Spectre, The 400mph company. Rooted in racing, we design and build every product with the same goal in mind; the best performance in the market... proven on the racetrack! All Speed By Spectre products are designed to perform as good as they look ... more info


BBK Aluminum Under drive Pulley Kit for Ford Mustang 5.0L - 3 Piece features BBK under drive front accessory pulley kits. They are one of the easiest ways to free up an average 8-15 horsepower in under 30 minutes. These BBK pulley kits are designed as dir ... more info


Fits Ford Alum. S/B Pedestal Mt. '77-'94, 302HO & 351W Hyd. & Roller Cams. Rid your engine of internal friction with roller-tipped rocker arms. The race-proven full needle bearing, fulcrum and roller tip not only unleash horsepower, they also lengthen val ... more info

Speed By Spectre, The 400mph company. Rooted in racing, we design and build every product with the same goal in mind; the best performance in the market... proven on the racetrack! All Speed By Spectre products are designed to perform as good as they look ... more info




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