5.15" Coupler

Heavy Duty 1-1/8" Shaft- Fits most Small Blocks -6-71 8-71 10-71 Blowers

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Heavy Duty 1-1/8" Shaft- Fits most BB  Chevies- 6-71 8-71 10-71 Blowers

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Heavy Duty 1-1/8" Shaft - 6-71 8-71 10-71 14-71  Blowers - Some Ford - MoPar- Pontiacs 

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Heavy Duty 1-1/8" Shaft - Big Block Fords and MoPars - 6-71 8-71 10-71 14-71  Blowers

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