Supertech Honda K24 Series w/K20 Head 87mm Bore -0.5cc Dome 11.5:1 CR Pistons- Set of 4 (Excl Rings)

Forged from high-strength aluminum alloy, these Supertech pistons are built to handle the increased demands of a performance-tuned Honda K24 engine when paired with a K20 cylinder head. The 87mm bore size is a common upgrade for K-series engines, and these specific pistons feature a -0.5cc dome volume designed to achieve an 11.5:1 compression ratio. This compression level is ideal for naturally aspirated builds looking for improved throttle response and power, or for boosted applications where careful tuning can manage detonation.

Supertech is known for its well-built internal engine components, and these pistons are no exception. They are forged, meaning the aluminum is heated and shaped under extreme pressure, creating a denser, stronger grain structure than cast pistons. This makes them significantly more resistant to deformation and failure under high cylinder pressures and temperatures. The precise dome shape and volume are critical for achieving the target compression ratio, which directly impacts engine efficiency and power output. Remember that these pistons are sold as a set of four and do not include piston rings, so you'll need to source those separately.

When rebuilding or upgrading your Honda K-series engine, choosing the right pistons is crucial for reliability and performance. These Supertech pistons offer a solid foundation for builds aiming for higher compression and increased power. Always ensure you have the correct ring set and follow proper installation procedures, including checking piston-to-wall clearance and deck height, to get the most out of this performance upgrade.