Supertech Nissan KA24 89.5mm Bore -11cc Dish 10.5:1 CR Pistons - Set of 4 (Excl Rings)

If you're rebuilding the engine in your Nissan KA24, a solid set of pistons is crucial for performance and reliability. These Supertech pistons are forged from high-strength aluminum, making them well-built for demanding builds where stock components won't cut it. They feature an 89.5mm bore and a -11cc dish, which helps achieve a 10.5:1 compression ratio when paired with the right cylinder head. This compression level is a popular choice for naturally aspirated builds looking for improved throttle response and power without going too extreme.

Forged pistons like these are significantly stronger than cast pistons, offering better resistance to detonation and the stresses of higher performance applications. The -11cc dish is precisely machined to ensure consistent combustion chamber volume across all cylinders, which is key for smooth engine operation. While these pistons are designed for a direct fit into the KA24 block, remember that they do not include piston rings, so you'll need to source those separately. This is a common practice when building a performance engine, allowing you to choose rings that best match your specific build requirements, whether it's for street use, track days, or drifting.

When installing these pistons, it's important to follow the manufacturer's recommended clearances and lubrication procedures. Proper installation ensures that these well-made components will perform as expected and last for many miles. Keep in mind that these pistons are not CARB approved and cannot be shipped to California. For any performance engine build, precision and attention to detail are key, and starting with quality components like these Supertech pistons sets you up for success.