Page 95 - 2018 Master Catalog

NITROUS, BLOWER, AND TRANSBRAKE TORQUE CONVERTERS

Perfect converter for the racer who wants to street drive during the week and competitively
race on the weekends. Converters are rated to 600 HP and the GM version is available in five
different models with stall speeds from 2,500 to 4,000 RPM depending on HP and torque.

PART NO. DIAMETER TYPE STALL ANTI-BALLOON
GM
700000 10” GM 2500-2900 RPM YES
700001 10” GM 2900-3300 RPM YES
700002 10” GM 3300-3700 RPM YES
700003 10” GM 3700-4100 RPM YES
700004 10” GM 4100-4500 RPM YES

RING & PINION GEAR SETS

Machined on CNC equipment for precise fitment and heat
treated for maximum strength. Designed to provide noise free
performance for street and race applications.

PART NO. RATIO DESCRIPTION PART NO. RATIO DESCRIPTION
FORD GM
488355 3.55 8.8” Ford 475373 3.73 GM 10-Bolt 7.5” OEM
488373 3.73 8.8” Ford 475373T 3.73 GM 10-Bolt 7.5” Thick
488410 4.10 8.8” Ford 475410 4.10 GM 10-Bolt 7.5” OEM
488456 4.56 8.8” Ford 475410T 4.10 GM 10-Bolt 7.5” Thick
409350 3.50 9” Ford 475342 3.42 GM 10-Bolt 7.5” OEM
409370 3.70 9” Ford 485308 3.08 GM 10-Bolt 8.5”
409389 3.89 9” Ford 485342 3.42 GM 10-Bolt 8.5”
409411 4.11 9” Ford 485373 3.73 GM 10-Bolt 8.5”
409456 4.56 9” Ford 485410 4.10 GM 10-Bolt 8.5”
409486 4.86 9” Ford 485456 4.56 GM 10-Bolt 8.5”
409514 5.14 9” Ford 487373 3.73 GM 12-Bolt Truck
409529 5.29 9” Ford
409543 5.43 9” Ford
409567 5.67 9” Ford
409583 5.83 9” Ford
409600 6.00 9” Ford RING & PINION INSTALLATION KITS
409620 6.20 9” Ford
409650 6.50 9” Ford PART NO. APPLICATION
GM
400308 GM 10-Bolt, 7.5 / 7.625”, OEM
400310 GM 10-Bolt, 8.5”
400316 GM 12-Bolt, 8.875”, Truck
FORD
400305 Ford, 8.8”
400306 Ford, 9”, 2.891” Bearing
403062 Ford SFI flywheel, 9”, 3.062” Bearing

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