B&M Holeshot 3600 Torque Converter, 1965-91 GM TH400, 1968-81 TH350 CHEVROLET/GMC/FORD Holley engineers have designed 12-1200-2

Holley engineers have designed 12-1200-2 to feature improved hot fuel handling capabilities

1/4 Mile and 0-60MPH ET's

gear sets and shafts that are nearly half the size of those in the Allison

25" wheel spacer

Horizontal beam patterns range from 90-degree slow or moderate speed broad beam to a highly focused 15-degree high-speed spot beam in a single fixture

B&M Holeshot 3600 Torque Converter, 1965-91 GM TH400, 1968-81 TH350 CHEVROLET/GMC/FORD Holley engineers have designed 12-1200-2This HoleShot 3600 fits 1965 91 GM TH400, 425, 375 and 1968 81 TH350, 375B (not 350C.) Holeshot torque converters are for serious minded performance enthusiasts and offer additional strength and durability features not found in our Tork Master or Traveler series of converters. The Holeshot 3600 converter is an excellent choice for vehicles with some performance engine modifications, particularly big cams that tend to reduce low end power and torque.