Pro Race Axle & Spool Package 40 Spline Gun Drilled Axles Lightweight Spool, 3.350" Axle Bearings, & 5/8" Stud Kit


Part Number: P2016

Pro Race Hy-Tuf axles are optimized for Drag Race use only
See our Alloy axle packages for street / track applications

Applications For 40 Spline Axles
Dana 60
Ford 9″ (requires 3.250″ or 3.812″ bore case)

3.350″ ID housing ends are necessary for all applications
For 3.150″ ID housing ends- See P2015

Gun drilling removes approximately one pound per foot
Five 1″ lightening holes removes additional .4 lbs per axle

This Pro Race Axle Package Includes:

Hy-Tuf Ultra Strength Axles – A2000
– Forged from low carbon, high manganese, high nickel, and high molybdenum steel
– Majority of machining performed before heat treat to provide consistent hardness
– .875″ ID hole bored entire length of axle
– Five 1″ ID lightening holes in axle flange
– Thru hardened to Rc 45-48 to maximize the material’s torsional strength
– Finish machined, including entire shaft, after heat treat to ensure accuracy
– 40 spline with 45º pressure angle
– Black oxide finish to resist corrosion
– Lengths up to 34 7/8″
– Choice of bolt circle
– Forged in the USA
– Designed and machined by Strange Engineering

Sealed Double Row Ball Bearings – A1024
– Low friction bearings designed specifically for Drag Racing
– Larger OD with additional ball bearings to increase strength
– Housing end ID grooved for o-ring to eliminate inner axle seal
– Includes o-rings and locking collars

Choice of 5/8″-18 Stud Kit

Bolt Style – See A1027
– 5/8″-18 x 3″ Grade 8 fully threaded bolts
– Thin .200″ hex head provides additional clearance
– Width choice of anti-marring/spacer washers
– Includes threaded sleeves, installation tool & flanged lug nuts

Shank Style – See A1036 / A1037 / A1037MD / A1038 / A1039 / A1041
– 5/8″-18 chrome moly stud available in six different shank lengths
– Width choice of anti-marring/spacer washers
– Includes thin head self locking inner nuts & flanged lug nuts

Lightweight Steel Spool – D2000 / D2002
– Forged from 4140 chrome moly steel
– Heat treated to Rc 38-42
– Lightened to maximize strength to weight
– Forged in the USA
– Designed and machined by Strange Engineering

See spool part number for further information

Install axle bearings……………………………….. See A1008
Ultra Light flange……………………………………. See A1006

Ultra Lite flange removes additional 1.1 lbs per axle

Other Pro Race 40 Spline Axle Packages
Solid…………………………………. See P2018


Pro Race 40 spline gun-drilled axles, 3.350″ axle bearing, 5/8″ stud kit, & spool

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