Race reverse manual transbrake 904 is rated to 1000hp and works best in light cars with naturally aspirated small blocks.
 
- High pressure reverse manual transbrake valve body
- Billet steel forward clutch drum
- Billet steel big piston high gear drum
- 300M input shaft
- 300M output shaft
- Red racing clutches and bands
- Rigid 2nd gear band
- Billet steel rollerized geartrain 2.45/1.45/1.00
- Rollerized rear support & drum
- Billet aluminum servos
- Sheet aluminum deep transmission pan
- Premium stud kit for pan
- Reusable pan gasket
- Billet aluminum filter extension with o-ring
- Billet aluminum multi-spring kit for 3rd gear drum
- A-R-T billet aluminum snap ring access cover plate with o-ring
- Billet steel 4.2 2nd gear apply lever
- HD band strut
- Teflon ring kit
- Race pump gears
- Improved venting and lubrication
- Case modifications
 
 
904 refundable core charge $200