BRINN STEEL OR ALUMINUM DRIVE FLANGE FOR USE WITH BRINN TRANSMISSIONS.
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FULL RADIUS TO ADD MORE STRENGTH.
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CHOOSE STANDARD GM OR VORTEC-1PC. SEAL CRANK.
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BRI73055 Bert & Brinn Alum. 1 PC Seal BRI73056 bert- brinn STEEL 1 PC Seal SBC BER007-NC Crate gm Vortec Steel Bert-Binn-CRATE