Zipper’s Stage III CNC Ported Heads ThunderSport - Twin Cam 99-07

Zipper’s Stage III CNC Ported Heads ThunderSport - Twin Cam 99-07

Brand: Zipper's Performance
SKU: HBM107
1250.00 USD In stock Buy at Merchant

Zipper's Stage III ThunderSport heads are designed for 3.875 to 3.937 inch bore Twin Cam engines, enhancing airflow for high compression and high output at all RPMs.

  • Improves airflow for high compression and high output at all RPMs.
Variants (1)
  • Default Title — 1250.00 USD — In stock

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