Olds/Pontiac 57-´64 13 spline 1350 Series Extreme Duty 4340 Billet Steel Pinion Yoke

Mark Williams Extreme Duty 4340 billet steel pinion yokes offer ultimate strength for your pinion yoke which is a high stress area on any rear differential. This Olds/Pontiac 57-´64 style yoke is designed to work with 13 spline pinion. All machining is done in relationship to the spline pitch diameter to ensure each yoke is symmetrical for balance and smooth operation.

Features

• Fits Olds/Pontiac 57-´64 
• 13 spline yoke
• High strength 4340 steel construction
• Thru Hardened for ultimate strength
• Black Oxide finished
• 1350 U-Joint
• 3.160" End of Pinion Yoke to U Joint Center (B dimension)
• Made in the USA

Utilizes 1350 billet steel cap kit (39112) for added strength. 

Racing Use Only, Not Legal for Road Use