4R70E 4R70W 4R75E 4R75W Upgraded HD 1-2 Accumulator Assembly (2007-UP)

Product Description

Heavy-duty 1-2 accumulator package for 2007-UP 4R70/4R75 series transmissions. It combines a new 1-2 accumulator piston and cover with Sonnax 76948-10K heavy-duty performance inboard and outboard springs and a Superior K075 heavy-duty 2-3 accumulator spring.

Specifications

About this kit

The upgraded springs are meant to improve durability and give more consistent shift control. The package suits performance, towing, heavy-duty and rebuild applications where firmer, more controlled shifts and longer accumulator life are wanted.

What's included

• New 1-2 accumulator piston
• New 1-2 accumulator piston cover
• Sonnax HD performance inboard and outboard springs (76948-10K)
• Upgraded HD 2-3 accumulator spring by Superior (K075)