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1935-1948 Ford/Mercury High Speed Ring and Pinion Gear Set, 3.78 Gear

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Specs
Material Type:
Steel
Sold in Quantity:
Set
Ratio:
3.78
Centerline of Holes:
1.31
Outside Diameter:
8.63
Bolt Hole Circle:
4.00
1935-1948 Ford/Mercury High Speed Ring and Pinion Gear Set, 3.78 Gear

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Please note the following about this product:

  • This item is sold as a set.

Details

Reviews (2)

Q & A (1)

What's in the Box

Info

These fit 1935-1948 passenger cars or 1935-1941 Ford 1/2 ton pickups (not 3/4 ton or larger). All gear sets are direct replacements for stock, non-quickchange Ford banjo rear axles. 6-spline input.

Installation Instructions  (PDF)

Customer Reviews

Rated 4.5 out of 5 by 2 reviewers.
RATING BREAKDOWN
2 reviews
5 Stars
1
4 Stars
1
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

topchop
Verified Purchaser
Verified Reviewer
upstate NY

Quality Product

March 20, 2016
Other than having to modify the front pinion bearing diameter to make preload adjustment easier, this gear set is very nice.
Pros:
  • Minimal Shims Req'd
  • Quality Gear Cut
  • Well Packaged
Cons:
  • By 001"
  • Pinion Brg Dia Modify
Yes, I recommend this product.
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Johnny Gearbox
Verified Purchaser
Verified Reviewer
Roxbury, VT

Outstanding accuracy

March 01, 2016
Very impressed with this gear set. It was obvious to me how accurately machined they were as I observed the tooth contact pattern after properly setting everything up. Very consistent, which isn't always the case with other brands I've used. My customers rely on me to deliver top-notch overhauls, and with this product I can warranty my work with confidence.
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

1 questions : 2 answers

2 answers

is this a 10 spline pinion ?

HUEY
@ Hot Rods & Hobbies, Signal Hill, Ca.
September 27, 2011

is this a 10 spline pinion ?

Answers

November 18, 2012
Jf10yd
You need a 6 to 10 adapter and weld to your shaft.
September 29, 2011
Jason
This is a 6 spline pinion
Page 1 of 1

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