Availability
Showing In Stock Items. Show All 5 Items.
FTI Performance offers a wide range of replacement parts for racing transmissions—from high gear drums and servo covers, to reverse piston drums, shifter detents, and more. These Powerglide reverse instant action spring kits quicken the piston release during trans-brake use.
Not Yet Reviewed
$27.99
Restore proper shift feel with Sonnax accumulator springs. The replacement piston release springs have the identical performance specifications as the purple OE accumulator springs but are made of high-strength material to ensure lasting spring life and reduce spring relaxation. Order the spring set designed for compatibility with your automatic transmission make and type.
( 5 )
$4.62
—
$9.90
Sonnax enhanced performance accumulator springs provide firmer 1-2 shifts for enthusiasts who appreciate quick, positive shift feel in their GM units. The design of these springs provides a performance shift feel, without reducing accumulator piston travel. This allows for a firmer—but still cushioned—shift that minimizes shock to the band and shafts. These springs also may be used as a replacement for THM 350 direct accumulator piston springs. Hit the road enjoying the perfect shift feel with Sonnax enhanced performance accumulator springs.
( 2 )
$12.38
—
$25.91
These springs from TCI are a complete set of 16 direct piston release springs to quicken the release during trans-brake use. You can count on TCI to keep your valve body and trans-brake working flawlessly.
( 2 )
$47.95
ACDelco GM Genuine Parts automatic transmission accumulator piston springs are factory-recommended replacement components. They will provide the same performance, durability, and service life you expect from General Motors. Order the springs designed for your transmission application.
Not Yet Reviewed
$6.99
—
$17.99
Modal Header