Alloy Axle & Spool Package 28, 30 & 31 Spline
Axles, Bearings, Ret Plates, 5/8" Studs & Spool

 
Alloy Axles are Optimized for Street & Track
Provides greater torsional strength while retaining flexibility

For Pure Drag Racing – P200558

Application & Spline Available
Chevy 8.5 10 bolt * – 28 / 30
Chevy 12 bolt car * – 30
Ford 8.8 * – 31
Ford 9″ – 28 / 31
Mopar 8 3/4 – 30

* Requires Aftermarket 3.150″ Housing Ends
See axle packages with an eliminator kit for factory ends

More Applications Available in 35 Spline – P3504S

Alloy Axles – A3100
• Forged from modified 1550 premium steel
• Majority of machining performed before heat treat
• Provide consistent material hardness
• Induction hardened to Rc 58-62
• Increases torsional strength while remaining ductile
• Finish machined after heat treat to ensure trueness
• Choice of bolt circle
• Forged in the USA
• Designed and machined by Strange Engineering

Choice of Axle Bearing
Limited to 3.150″ Housing Ends
All others will be a sealed ball bearing

Tapered Bearings – A1013
• For 3.150″ housing ends
• Best option for extended use and high mileage
• Includes outer seals and locking collars

Ball Bearings – A1021
• For 3.150″ housing ends
• Low friction bearing
• Life reduced during prolonged use
• External O-ring eliminates inner axle seal
• Includes locking collars

Strange Rear Brake Kits Require Ball Bearings
Caliper mount relief isn’t correct for tapered bearings

Retainer Plates
• Added to A1013 & A1021 bearings
• Plates are included with all other bearings

Choice of 5/8″-18 Stud Kit

Bolt Style Stud Kit – A1027 / A1027S / A1027L
• 5/8″-18 x 3″ Grade 8 fully threaded bolts *
• Thin .200″ hex head provides additional clearance
• Part number suffix determines width of aluminum washers
• No suffix = .4375″ / S = .250″ / L = .688″
• Includes threaded sleeves, installation tool & flanged lug nuts

* Length measured from underneath the hex of the stud

Shank Style – A1036 / A1037 / A1037MD / A1038 / A1039 / A1041
• 5/8″-18 chrome moly stud available in six different shank lengths
• Part number suffix determines width of aluminum washers
• No suffix = .4375″ / S = .250″ / L = .688″
• Includes thin head self locking inner nuts & flanged lug nuts

Lightweight Steel Spool
• Forged premium 8620 steel
• Surface hardened to Rc 45-48
• Forged in the USA
• Designed and machined by Strange Engineering

Chevy 12 Bolt Spool is a 4 Series
For 4.11 & numerically higher gear ratios

Labor Option
Install axle bearings – A1008R
Access hole or extra bolt circle – A1004