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Denny's Driveshaft builds custom steel and aluminum driveshafts for your high performance car, street rod, race car, van, pick up or 4x4 truck

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Customer Testimonials

Gentlemen...Im very pleased with the drive shaft you guys built for my 72 Nova. The car loves it. No vibration at all. This will last a long time. Best investment ever. Thanks Again.
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AL G ~ Longs , SC

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16 U-Joint - 1350 Series

39003 Mark Williams Chromoly Pinion Yoke 1350 series for 8.5 inch GM 10 bolt front or rear - FREE SHIPPING

Part Number:
MW 39003

UPC:

Your Cost $220.75

STATUS: IN STOCK - FREE SHIPPING

Part Number 39003

8.5 inch GM 10 bolt 1350 series Chromoly 30 Spline Pinion Yoke

Part Number 39003
- Manufactured by Mark Williams Enterprises from high strength heat treated 4340 chromoly steel.
- 1350 series
Can be used on 8.5 inch front diff or rear diff using the stock seal
Also can be used on 8.6 inch 10 bolt rear end but you will need to use the earlier 8.5 inch pinion seal.
Also can be used on 9.5 inch 14 bolt rear end but you will need to use the earlier 9.5 inch pinion seal.
DOES NOT COME with a dust shield and is not designed for one to be attached.

39003 Mark Williams Chromoly Pinion Yoke 1350 series for 8.5 inch GM 10 bolt front or rear - FREE SHIPPING

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FOR FASTER SERVICE, PLEASE ORDER ALL PARTS ONLINE

STATUS: IN STOCK - FREE SHIPPING

YOUR COST: $220.75

This item qualifies for FREE GROUND SHIPPING to the lower 48 states

FREE GROUND Shipping**

**Free Ground Shipping to lower 48 States ONLY...Alaska and Hawaii at reduced rates.

Part Number 39003

8.5 inch GM 10 bolt 1350 series Chromoly 30 Spline Pinion Yoke

Part Number 39003
- Manufactured by Mark Williams Enterprises from high strength heat treated 4340 chromoly steel.
- 1350 series
Can be used on 8.5 inch front diff or rear diff using the stock seal
Also can be used on 8.6 inch 10 bolt rear end but you will need to use the earlier 8.5 inch pinion seal.
Also can be used on 9.5 inch 14 bolt rear end but you will need to use the earlier 9.5 inch pinion seal.
DOES NOT COME with a dust shield and is not designed for one to be attached.

DIMENSIONS

1350 series
30 SPLINE
SPLINE OD = 1.312
D = 1.188
E = 3.625
Q = 1.156
R = 1.938
S = 3.188

39003 Mark Williams Chromoly Pinion Yoke 1350 series for 8.5 inch GM 10 bolt front or rear - FREE SHIPPING

You May Also Need These Parts to Complete the Job

Timken 2043 Pinion seal for GM 8.5 Inch 10 Bolt Rear End Part#: 2043 $10.95	Timken 8622 Pinion Seal 1979 to 1987 Chevy and GMC 8.5 Inch 10 Bolt 4x4 TRUCK FRONT Part#: 8622 $23.34
Dana Spicer 5-178X Greaseable u-joint 1350 Series Part#: 5-178X $20.95	Dana Spicer 5-1350X Universal Joint NON Greaseable 1350 series cold forged solid body heat treated precision ground and case hardened with multi lip seals Part#: 5-1350X $23.54
Dana Spicer 3-94-18X U-Bolt Set fits 1.187 bearing cap diameter 1.666 CL on 1350/1410 Series u-bolt style transmission, transfer case and differential pinion yokes Part#: 3-94-18X $5.36