Gearhead Guy by Roy Jones
You Can’t Beat These Gears for Performance and Reliability —A. Gearhead
Ford 9" Rear Differential RING & PINION GEAR SETS
Each set is engineered exclusively for the legendary Ford 9" rear differential, the world’s favorite for strength and ratio choices. These CNC machined, hardened, Rockwell-tested gear sets are each made from 8620 steel with super accuracy offering extra- smooth, quiet turning at any RPM. Replace or change your gear ratio to gain better performance, whether you're building a stoplight-to-stoplight lightning bolt, or a high-speed highway cruiser. Listed characteristics below describe each when used with manual or automatic transmissions commonly used with small block and big block V8s. F9-325 & F9-350 are recommended for 3 speeds. F9-370 & F9-411 work best with 4 speeds or overdrive trannies. All come with 28-spline pinion and include mounting-distance data for a factory-correct installation. F9-325 Ratio: 3.25:1 (lowest highway RPM/least torque in low gears/highest top speed/highest fuel mileage) F9-350 Ratio: 3.50:1 (lower highway RPM/less torque in low gears/higher top speed/good fuel mileage) F9-370 Ratio: 3.70:1 (mid-range highway RPM/modest torque in low gears/mid-range top speed/decent fuel mileage) F9-411 Ratio: 4.11:1 (highest highway RPM/highest torque in low gears/lowest top speed/lowest fuel mileage) $165.00 set
BILLET BULKHEAD FITTING KITS A safe, excellent looking solution for plumbing heating and air conditioning fluids through the firewall. Each component is solid CNC machined aluminum. Face plates each have a satin-brushed finish. Easy to install.
Universal ALUMINUM BILLET BULKHEADS WP0101 $22.00 each
101036 (2) #10 Fittings Face plate: 33/8" wide x 11/16" tall $20.00 each
101037 (1) #10 Fitting & (1) #6 Fitting Face plate: 3 3/8" wide x 1 1/16" tall $20.00 each
101038 (3) #10 Fittings & (1) #6 Fitting Face plate: 6 11/16" wide x 1 1/16" tall $40.00 each
101039 (3) #10 Fittings & (1) #6 Fitting Face plate: 3 7/16" wide x 3 7/16" tall $40.00 each
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800-221-3673
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