Superior Studs From ARP
NMRA and NMCA racers rely on ARP products for superior quality, looks and for its wide range of fasteners that meet your needs, whether you’re building and engine or assembling a rear end.
Sonnax TH400 Smart Tech Drum Module
In the intense and challenging world of drag racing, driveline components have the unenviable task of performing and a high level and enduring the ultimate rock-and-a-hard-place durability test. When a race car launches all the pieces in between the engine and the track surface are wedged between a near irresistible force and an immovable object. 
Proform Covers Your Rear
Bring the Bowtie love back, or to the rear, with reinforced Bowtie Differential Covers in the popular Cast Gray Crinkle finish. Not only a great look for your rear axle, but also strengthens the rear housing case, reducing flex and extending gear life in heavy torque situations.
PROFORM LS Rockers Rock
PROFORM’s Super-Street Roller Rockers are gaining a new member to the family; perfect for serious street performers and weekend-warrior racers looking to Unleash the Horsepower of their LS Gen III/IV V8 Engines.
Game-Changing New TH400 Drum Upgrade from Sonnax
TH400 drag racers seeking a radical edge over the competition will get the total package of performance, consistency and safety with the new Smart-Tech® drum module from Sonnax. It’s the first and only Turbo 400 upgrade to deliver a big boost in transmission efficiency for more power to the ground, improved traction/stability on the shifts and unmatched protection against catastroph...
Dodge Direct Connection Expands Performance Parts, Offers New Products Including Drag Pak Rolling Chassis, Licensed Carbon Fiber Parts
Dodge unwrapped a full slate of new additions to its factory-backed Direct Connection performance parts line today, including a Direct Connection Dodge Challenger Mopar Drag Pak Rolling Chassis for grassroots drag racers, a Dodge Challenger body-in-white kit, Direct Connection-licensed carbon fiber SpeedKore parts, a licensed vintage Dodge Charger carbon fiber body from Finale Speed, licensed Amer...
Camshaft Types Explained
Camshafts, and the shape of the lobes on them, can play a dramatic effect on how a vehicle performs at different engine speeds. Understanding how they work—and the different types available—will help you to maximize your four-stroke engine’s performance. 
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