6L80 - 6L90

3-Bolt Dual-Pattern Adapter Flange Yoke Kit by Sonnax

Part No. T35-GMFD-01K

The ideal upgrade for modified performance vehicles, Sonnax 3-bolt dual-pattern adapter flange yoke kit T35-GMFD-01K makes it easy to convert a two-piece driveline to a one-piece, U-joint-style driveline. Combined with Sonnax tubing and weld yokes, this unique flange dramatically increases strength and durability while reducing future maintenance costs.

• Eliminates the troublesome giubo (sometimes misspelled as guibo) and/or CV joint(s)
• Great for drivetrain swaps and retrofits in custom applications such as street rods and hot rods
• Manufactured from 6061-T6 aluminum

Precision-machined for excellent fit and balance

• Spacer included for 8L90 & 10L80 transmissions; see instructions
• Dual bolt patterns, 96mm and 110mm bolt circles, to fit multiple locations

Contents

    3-Bolt Dual-Pattern Adapter Flange Yoke
    Spacer for 8L90 & 10L80 Only

Specs

• U-Joint Series: 1350
• Pilot Type: F
• Material: 6061-T6
• Bolt Hole Dia.: 0.500"
• Flange Face to Centerline: 3.000"
• Weight: 1.980lbs
• Flange Outer Dia.: 5.450"
• Pilot Dia.: 0.631"
• Bolt Count: 3
• Bolt Circle Dia.: 110mm