- 4 Speed Sequential
- Quick change drop gear set
- Torque converter or clutch option
- Dog ring engagement
- Ratios available from 3.46 to 0.89
- 1350 or 1480 driveshaft yoke
FRST4 / 5L SEQUENTIAL
PART # FRST4-5L4 speed sequentially shifted gearbox designed for front-engine rear-wheel-drive race cars. Optional Chevy or Ford bell housing. The gearbox is built on 3.5” gear centers. The FRS4 has a 25mm wide-tooth face whereas the FRS5L has 18mm wide-tooth faces. The FRS4 is perfect for off-road race trucks with up to 700hp and 39” tires. The FRS5L is designed for road race applications and Drift cars with over 1000hp. The gearbox can be used with a torque converter
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