FEATURES:
King Pin Center to Center: 48″
Perch Boss Center to Center: 36 1/2″ (Use Standard 31 1/2″ Spring)
Perch Boss Thickness: 2 1/4″
Roadster Supply’s 4″ Drop Axle is designed for use with 37 – 48 Ford spindles and 2 1/4″ wishbones or batwings. The 48″ center to center king pin boss is designed with a 36 1/2″ perch spacing to accommodate the standard 31 1/2″ spring. A narrower 47″ axle with the 34″ perch boss spacing is also available on this store. These axles are manufactured as 1 piece forged steel with a 1045 heat treat for maximum strength and come reamed for proper king pin fitment. This axle is also available drilled and/or in a plain finish on this store. Search for 4″ Drop Axle in the search box to learn more.
Patent #D648,250
WHAT’S INCLUDED:
| 1 (ONE) | Chrome 48″ Forged 4″ Dropped Axle |
NOTES & TIPS:
This axle will not work with stock 2″ perch boss wish bones. Contact our sales team for pricing and availability of specialty machined 2″ perch boss axles.
This axle uses a 31 1/2″ wide spring; also available on our store.






Reviews
There are no reviews yet.