McLeod 88108K Performance Automatic Transmission Rebuild Kit with Kolene Steels 4R70W 4R75W Stage 1

The McLeod 88108K is a Stage 1 performance automatic transmission rebuild kit designed for Ford 4R70W and 4R75W transmissions (2004–2014). Developed through a collaboration between McLeod Racing and Raybestos Powertrain, this kit delivers premium-grade components in a single, comprehensive package — eliminating the need to source individual parts separately.

Raybestos Powertrain is one of the world's largest manufacturers of transmission friction products, and this alliance brings together two of the most respected names in the automotive aftermarket. The result is a rebuild kit that meets or exceeds OEM standards at a performance-oriented price point.

Kit Contents & Features:

• Kolene Steel Plates — Heat-treated steel plates that resist warping and provide a stronger seal than standard stock plates
• National Oil Seals — Industry-trusted seals for superior leak prevention and long-term sealing integrity
• FarPak Gaskets — Premium gaskets engineered for consistent, reliable sealing performance
• PTFE (Teflon) Coated Rings — Low-friction coated rings that create tighter seals and reduce internal leakage
• OEM-Thickness Grooved Friction Plates — Precision-fit clutch plates with grooved design for increased holding capacity and heat dissipation
• 100% New Transmission Bands — All-new bands included for a complete, confidence-inspiring rebuild
• Brass Filter — Brass construction provides better fluid flow and improved filtration compared to standard filters

This kit is engineered for the Ford 4R70W and 4R75W automatic transmissions produced between 2004 and 2014. Note: This kit does not fit the 4R75E transmission. Whether you're performing a complete overhaul or addressing a transmission issue, the McLeod 88108K provides everything needed for a thorough, high-quality rebuild in one convenient kit.