Contact Us / Visit Us (click here)
USPS Delivery Delays! [Read More]
We are receiving a significant number of email/calls from customers regarding USPS shipments. USPS is experiencing significant delays and shipment misdirection. Some packages are taking 3-4 weeks to arrive. These are issues in the Post Office system, and not anything we can fix.
Spend $100 and save 30% off UPS SurePost / UPS Ground [Details]
Just add $100 of products to your cart, choose UPS SurePost or UPS Ground, and the discount will automatically be added to your cart.
International Customers Click Here [Updated 1/2025]
 
Differential / 3rd Member - 8 Inch - Traction Locking - w/ New Trac-Loc - Rebuilt ~ 1967 - 1973 Mercury Cougar / 1967 - 1973 Ford Mustang 1967,1967 cougar,1967 mustang,1968,1968 cougar,1968 mustang,1969,1969 cougar,1969 mustang,1970,1970 cougar,1970 mustang,1971,1971 cougar,1971 mustang,1972,1972 cougar,1972 mustang,1973,1973 cougar,1973 mustang,3rd,c7w,c7z,c8w,c8z,c9w,c9z,center,cougar,d0w,d0z,d1w,d1z,d2w,d2z,d3w,d3z,differential,ford,ford mustang,inch,loc,locking,member,mercury,mercury cougar,mustang,new,rebuilt,sections,trac,traction,pumpkin,chunk,differential,ring,and,pinion,center,section,open,locking,posi,case,gear,ratio,drop,out,ribbed,20509

Differential / 3rd Member - 8 Inch - Traction Locking - w/ New Trac-Loc - Rebuilt
1967 - 1973 Mercury Cougar / 1967 - 1973 Ford Mustang
Item #: 20509

5.00 stars, based on 1 reviews
Limited slip 8 inch Ford third member rebuilt with all new parts. Factory new 4 pinion Trac-Loc unit, new Motive ring and pinion gears, new Timkin bearings, new crush sleeve, new bolts, and new seal. Rebuilt using 1967 and newer two rib style case,...
Display Options:
Reviews 1-1 of 1
NC

Smoking burnouts

Material:
review-star review-star review-star review-star review-star
Fit:
review-star review-star review-star review-star review-star
Craftsmanship:
review-star review-star review-star review-star review-star
Correctness:
review-star review-star review-star review-star review-star
Pros:
  • quality
Cons:
  • none
This 8 inch 31 spline third member with 3.55 gears has made my 68 cougar a true beast. The only problem I will have is keeping fresh rubber on my wheels. You can't go wrong with this set up it is money WELL spent.
Reviews 1-1 of 1
Classic Cougar Community
Get to know us!
Facebook
Youtube

We Accept
Visa
MasterCard
Discover
CoinBase

We Ship Worldwide

© 1989 - 2025 West Coast Classic Cougar

Images embedded with "www.classic-cougar.com" or "CougarPartsCatalog.com" may be used as long as they remain unmodified.
All images and text are property of West Coast Classic Cougar, unless otherwise noted.
United StatesClose
Flag of United States
Powered by
duty and tax information for United States