Description
If you’re building a serious small-block Chevy engine, compression ratio is everything—and these FSR Tour Series forged pistons deliver the high-compression platform you need for maximum power and efficiency. With a -5cc dome design and precision 4.030″ bore, you get consistent ring seal, reduced detonation risk, and repeatability across all eight cylinders. Built for racers and engine builders who demand reliability under extreme conditions.
- FSR Tour Series GP
- Forged construction
- 4.030″ bore diameter
- -5cc compression dome
- 0.043″ x 0.043″ x 3.0mm ring grooves
- Small Block Chevy fitment
- Set of 8 pistons
- MPN: 258028
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