Tilton Ultra-High Ratio Clutch Pressure Plate - 7.25 in Diameter - Tilton OT-II Clutches H777C05XXL the 4BBL HP features externally

the 4BBL HP features externally adjustable metering blocks

and the crank damper

Carburetor Adapter Plate

650 in Valve

For use w/ Multi-Stage Direct Port Nitrous or Fuel Applications

Tilton Ultra-High Ratio Clutch Pressure Plate - 7.25 in Diameter - Tilton OT-II Clutches H777C05XXL the 4BBL HP features externally7. 25 in cerametallic clutch pressure plates are designed specifically for Tilton 7. 25 in cerametallic OT II clutches. Since 1972, Tilton Engineering has been committed to supplying innovative products backed by over 30 years of race winning heritage. Over the past 35 years, Tilton Engineering has advanced their reputation as a technological leader through constant innovation and product refinement. Tilton Engineering strives to produce the best