Race Shop
PRI Race Shop for July 2023.
Books by Dave Argabright
daveargabright.com
The Newport Nightmare is 280 pages of events and places that led Jimmy Owens to become a beloved racer in dirt late model competition. Owens pulls back the curtain to share the highs and lows of his eventful career, providing readers with a rare behind-the-scenes look at a racing life and beyond.
Contact: 317-219-5716
Design Engineering, Inc.
designengineering.com
DEI’s AN-sized Heat Shroud Sleeves for 20, 16, and 12 AN sizes are an ideal way to reduce heat strain and abrasions on lines, hoses, and wires, damage that could result in failure of all three of these components. They are constructed from a high-temperature rated, glass-fiber fabric with an insulting inner layer and a heat-reflective outer surface.
Contact: 800-264-9472
Edelbrock
edelbrock.com
The Victor CNC 11-degree six-bolt cylinder heads for GM LS3 applications are designed for high-horsepower, naturally aspirated and boosted applications. These heads are compatible with the GM LSX block and all aftermarket iron or aluminum six-bolt per cylinder LS race blocks. The six-bolt design offers increased clamping capacity over the standard four-bolt configuration and improves head gasket sealing.
Contact: 800-416-8628
Holley
holley.com
Holley EFI 220 lb/hr fuel injectors feature a precision lapped disc valve, high-quality brass windings, and high-temperature O-rings. These injectors are made to provide linearity with no discernible “bounce” at low pulse widths. Features include minitimer connectors (EV1/Bosch Style), low impedance for use with peak and hold drivers, supports over 3,000 horsepower, four-hole orifice – pencil cone spray pattern, and more.
Contact: 866-464-6553
MAHLE Motorsport
mahlemotorsports.com
MAHLE Motorsport offers four new performance cast PowerPak piston sets for the 6.0L and 6.4L Ford Powerstroke. Developed for diesel motorsports competition, the 6.0L pistons are based off the 2004 and newer design, and the 6.4L pistons are based off of the MaxxForce design that provides strength and durability. The 6.0L PowerPak set is cast from MAHLE’s proprietary M124 alloy and the 6.4L Powerstroke set is cast from M142 alloy. Both are designed for a 4.134 stroke and 6.929 rod.
Contact: 888-255-1942
Melling Performance
melling.com
The 48560T-9 Timing Set features a 250-inch seamless single roller chain, three-bolt billet steel cam sprocket, one-piece Torrington thrust bearing, billet steel crankshaft sprocket, heat-treated nine keyway adjustable, center distance 4.890 inches, and more.
Contact: 517-787-8172
Moroso
moroso.com
This valve cover fits big block Chevrolet Reher-Morrison Raptor 12-degree and Profiler Hitman 12-degree spread port cylinder heads. It’s fabricated aluminum construction with billet rail, 2-7/8 inches tall, is designed with a broad, flat surface for logo engraving, and can be polished, chromed, or powder coated.
Contact: 203-453-6571
PROFORM Parts
proformparts.com
All three sizes of the Aluminum Cast Gray Bowtie Differential Covers include two bearing main cap stabilizing bolts, fluid capacity plug, magnetic drain plug, main cap adjusters, and mounting hardware. Features include increased gear life, decreased ring deflection, and CNC-milled Chevrolet Bowtie emblem.
Contact: 586-774-2500
Stiletto Steering Systems
pro-werks.com
The Gen 5 universal Stiletto small boxes offer more ratio choices to meet steering response needs. For ease of changeover, the pinion location relative to the mounting bolt holes has been standardized on all new Gen 5 small boxes. All aluminum components are anodized for corrosion resistance. Additional features include increased rigidity, decreased weight, secure boots, and optimized performance.
Contact: 231-873-9252
Summit Racing
summitracing.com
The Pro Hemi non-MDS camshafts delete the MDS feature but retain variable valve timing (VVT). The cam cards include the degrees of cam advance or retard that are designed into the camshafts so users can install the cam dot-to-dot and know valve events are correct. The cards also have the OEM cam part numbers to help users choose the correct cam for the vehicle.
Contact: 800-230-3030
Supertech Performance
supertechperformance.com
Supertech’s Toyota-BMW B58B30 I-beam connecting rod is made with 4030 alloy, 22-mm full float pin, and utilizes ARP +625 bolts rated for 1,800 horsepower. Part number CR-BMB58-I-143.3.
Contact: 408-448-2001
Vortech Superchargers
vortechsuperchargers.com
The 2021 Ford F150 5.0L Tuner Kit features include billet aluminum and steel supercharger mounting bracket assembly with idlers, drive belt and all high-grade hardware, V-3 Si-Trim supercharger (self-lubricated) with 3.40-inch drive pulley, air inlet assembly includes mandrel bent 3.5-inch aluminum tubing, high-flow roto molded duct, and more.
Contact: 805-247-0226
Weddle Industries
weddleindustries.com
This Weddle S4/S5 throw out bearing adapter is made from an existing late VW T/O bearing shell that’s machined and welded in a custom sleeve. The adapter can use a flat face or a convex face T/O bearing depending on the clutch being used. The new design is a direct replacement assembly, using the standard clutch release mechanism, and has been tested against Stage 4 Kennedy pressure plates.
Contact: 805-562-8600
Wilwood
wilwood.com
Wilwood offers a new caliper and rotor design for the Polaris RZR UTV platform from 2014–2023. Matched UTV6 six-piston calipers in front and rear with dynamically mounted steel floating rotors reduce piston knockback, improve thermal capacity, and fit most 15-inch or larger wheels.
Contact: 805-388-1188