B&M Holeshot 3000 Torque Converter, 1965-91 GM TH400, 1968-81 TH350 - 20413 intermediate-lines 4 V8 1970 - 1972

4 V8 1970 - 1972 Chevrolet Biscayne 402/6

Shifter Service Parts

Large 4-inch 50 HD Muffler Internals

Choose between a 1:1 and a progressive secondary ratio

B&M Holeshot 3000 Torque Converter, 1965-91 GM TH400, 1968-81 TH350 - 20413 intermediate-lines 4 V8 1970 - 1972Overview: This Holeshot 3000 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 3000 converter is an excellent choice for vehicles with some performance engine modifications, particularly big cams that tend to reduce low end power and