Yukon Dura Grip Positraction for GM 9.5
YDGGM9.5-33-1
Yukon Dura Grip positraction unit for GM 9.5-inch rear axle applications with 33-spline axles.
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Stratford, Connecticut
Classic drivetrain parts without the guesswork.
We help restoration builders, muscle car drivers, and technicians find the right transmissions, differentials, and hard-to-find parts.
What We Focus On
Specialized expertise for serious builders
Restoration Projects
Expert support for classic car restorations with hard-to-find vintage parts and components.
Muscle Car Performance
High-quality transmissions, differentials, and drivetrain parts for classic muscle cars.
Off-Road & Trucks
Specialized parts for 4x4 Jeeps, trucks, and off-road vehicle builds and modifications.
Muncie 4-Speed Specialist
30+ years of expertise in rebuilding and supplying Muncie transmissions and components.
GM Driveline Support
Comprehensive selection of GM differentials, overdrives, and drivetrain solutions.
Expert Guidance
Part identification and technical support to ensure you get exactly what you need.
Featured Inventory
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Compact catalog. Clear part details.
Yukon Dura Grip Positraction for GM 12 Bolt Car
YDGGM12P-3-30-1
Yukon Dura Grip positraction for GM 12-bolt passenger car rear ends with 30-spline axles.
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USA Standard Ring & Pinion Gear Set
ZG GM55P-355
USA Standard Gear ring and pinion set for GM Chevy 55P differentials in a 3.55 gear ratio.
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Our Mission
Built for restoration, not just daily driving.
Focused on restoration, vintage vehicles, classic muscle cars, and high-performance vehicles. Our knowledgeable staff look forward to assisting you with your specific transmission, differential, or classic car restoration needs.
Classic and manual transmissions
Parts for 3, 4, 5, and 6 speed transmissions
Differentials, overdrives, trucks, and cars
Muncie 4-speed and GM driveline support
Hard-to-find classic automotive drivetrain parts
"I don't let just anyone work on my classic 1967 Camaro, but Jim Tadduni is one of them."
Patrick F.
Classic 1967 Camaro owner
