Ratech Head Pinion Bearing - GM 8.5" 10-Bolt - Ford 7.5" H753C4254 125 in H x 3

125 in H x 3 in D

ask any respected engine

The Circle Track HEI module is built specifically to produce the spark energy and performance demanded for racers required to keep a "Stock Appearing" module for rules purposes

4000-4800 RPM

Injection Pump

Ratech Head Pinion Bearing - GM 8.5" 10-Bolt - Ford 7.5" H753C4254 125 in H x 3Head Bearing Ford 7. 5" Axle gm 10 Bolt 8. 5" Ratech wants all racers to know about The Myth that "All Shim Packs in the market are the same. They're just washer shaped steel that come in different thickness." WRONG! Ratech manufacture all of their shims in house on their own machinery. Ratech uses the absolute finest American made Hardened Shim Stock available. Ratech uses only hardened shim stock not sheet metal gauges. Shim stock comes in . 002