Assembled Center Section for 9" Ford with PEM ring & pinion and 31 spline steel spool, PEM new nodular iron case and pinion support, 31 spline spool, choice of yoke (1310 short or 1330 short series)
Alll New Unit, Great for Circle Track!
Ratios Available 3.50, 3.70, 3.89, 4.11, 4.30, 4,57, 4.71, 4.86, 5.00, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, 6.33, 6.50

38" Carbon Fiber 3.25" OD x .125" wall Drive Shaft with 1310 soid cross performance u joints.

ONLY ONE AT THIS PRICE

• 38 inch center to center on the u-joints
• Great for Open Motor Dirt Late Models
• Increased driver safety
• 3" ID x 3 1/4" OD x .125 wall Carbon Fiber Tubing
• 1310 solid cross performance u-joints ( 3 7/32" wide x 1 1/16" OD caps)
• Aluminum bonded yokes

36 inch center to center Carbon Fiber 2.81" OD x .155" wall Drive Shaft with 1310 Performance Solid Cross U Joints

• Great for Open Motor Dirt Late Models with Clearance Needs
• ONE ONLY AT THIS PRICE
• smaller OD with stronger thicker carbon tubing.
• Increased driver safety
• 36" Length center to center on u joints
• 2 1/2" ID x 2 13/16" OD x .155 wall Carbon Fiber Tubing
• 1310 u-joints ( 3 7/32" wide x 1 1/16" OD caps)
• Aluminum bond yokes.

NEW! PEM Gear Lube 75-140w Full Synthetic 1 quart

Tested in 2023 and 2024 to reduce rear end temperatures
by the 2024 UMP Modified National Champion.

Not for positraction or clutch style traction differentials