Product Summary

4R70W

  • Supports up to 650 HP / 550 ft-lbs torque
  • Hardened shafts and upgraded clutch systems
  • Carbon fiber bands for increased durability
  • Performance-tuned valve body upgrades
  • Designed for high-performance Ford builds
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Key Specs

MFG. Part #GS4R70W3L4
BrandGearstar American Performance
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Need To Know

Made to Order

This custom item will ship when completed

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Gearstar American Performance GS4R70W3L4 Details

The Level 4 modular 4R70W increases strength to 650 HP with upgraded internals, hardened shafts, and racing frictions. Built for higher-output modular engines, it delivers enhanced durability and aggressive shift performance.

  • Supports up to 650 HP / 550 ft-lbs torque
  • Hardened shafts and upgraded clutch systems
  • Carbon fiber bands for increased durability
  • Performance-tuned valve body upgrades
  • Designed for high-performance Ford builds

Gearstar American Performance GS4R70W3L4 Specifications

KEY SPECS
MFG. Part #GS4R70W3L4
BrandGearstar American Performance
GENERAL
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