Detroit TrueTrac Front Differential - 28 Spline - 2.73 Ratio and Up - 8.5 in - GM 10-Bolt 33700 These thermostats are compatible with the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

These thermostats are compatible with 2004-'08 GM LS2/LS7 engines that use a separate thermostat and water neck

Needs aftermarket intake and exhaust with low gears

No stylus required

This Performer is designed for 1968-76 Cadillac 472 and 500 cubic-inch engines

Quick Pin Release

Detroit TrueTrac Front Differential 28 Spline 2.73 Ratio and Up 8.5 in GM 10 Bolt 33700 These thermostats are compatible with the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) These thermostats are compatible with 2004 '08 GM LS2 LS7 engines that use a separate thermostat and water neck Needs aftermarket intake and exhaust with low gears