Supertech Nissan KA24 89.50mm Bore -23cc Dish 9.0:1 CR Pistons - Set of 4 (Excl Rings)

Supertech is known for making well-built engine components, and this set of four forged pistons for the Nissan KA24 engine is a prime example. If you're rebuilding the heart of your KA24-powered Nissan, these pistons are designed to handle the demands of a performance build. They feature a specific 89.50mm bore size, a -23cc dish volume, and are designed to achieve a 9.0:1 compression ratio when installed in a stock-deck engine. This compression ratio is a solid choice for many naturally aspirated or mild forced induction setups, offering a good balance between power and drivability.

Forged pistons like these are built from a solid block of aluminum alloy that's heated and hammered into shape, making them significantly stronger and more durable than cast pistons. This strength is crucial for engines that see higher cylinder pressures, whether from increased boost or higher compression. The -23cc dish volume is a key specification that helps determine your final compression ratio, working in conjunction with your cylinder head volume and head gasket thickness. This set is for the pistons only; you'll need to source your piston rings separately to complete the installation.

When planning your engine build, remember that these pistons are not CARB approved and cannot be shipped to California. It's always a good idea to consult your engine builder or a trusted mechanic to ensure these specifications align with your specific performance goals and the other components in your engine assembly.