JE PISTONS Piston Kit 284681

When you're pushing your engine to its absolute limits—whether on the track or in competition—piston durability and precision become non-negotiable. JE PISTONS' 284681 kit delivers the engineering excellence that professional racers depend on, with forged 2618-T6 aluminum construction designed to withstand extreme combustion pressures and thermal stress. This is not a compromise part; it's a purpose-built solution for serious competition applications.

The Pro Series design incorporates internal and external bracing, specialized weight-reduction milling, and a dedicated accumulator groove that work together to maximize strength-to-weight ratio and ring seal integrity. Every detail—from the smooth-flowing dome radii to the forged side relief—is engineered to eliminate failure points and deliver consistent, repeatable performance across repeated heat cycles.

• Material: 2618-T6 forged aluminum
• Design: Pro Series internal/external bracing
• Dome/Dish: Smooth flowing radii
• Weight Reduction: Internal milling, dedicated forgings
• Accumulator Groove: Standard
• Forged Side Relief: Included
• Includes: Pins, pin fitment, locks, rings
• Installation: Direct fit (model-specific fitment)
• Preparation Required: None (factory finish)
• Origin: Made in the U.S.A.
• Application: Professional competition/extreme use