Made in house by Mazworx from 4140 Heat Treated Chrome Moly with a Black Zinc coating. The classic crank pulley bolt has a separate washer. The P12 SR20VE started coming as a bolt with integrated washer. So we developed ours off the integrated as a flanged bolt.

Notes:

  • Torque to 140ftlbs
SKU 252-000111
Brand Mazworx
Type Aftermarket
Model # 12309-SR20
Barcode # 12309SR20

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