Tilton OT-III 5.5" 3 Plate Metallic Clutch Assembly (Less Discs) 4087RD allows timing adjustments down to

allows timing adjustments down to a fraction of a degree

include ignition switch

but you will need a slightly shorter mounting bolt (about 3/16" shorter)

625 in Oval Port

Fits: GM 1978-'87 Metric Chassis

Tilton OT-III 5.5" 3 Plate Metallic Clutch Assembly (Less Discs) 4087RD allows timing adjustments down toFor Tilton UTGC 52 Series packages. 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 racing parts and service for drivers and racing teams dedicated to their sport. Tilton's