RameyRacing Spec Diamond Pistons (450R Series)

Built for power. Engineered for durability.

Ramey Racing’s custom-forged Mercury 450R pistons are made for us by Diamond Pistons, a leader in high-performance racing components. Designed to withstand the extreme demands of high-boost marine applications, these pistons are precision-machined from aerospace-grade aluminum and built to deliver maximum strength, reduced weight, and exceptional heat resistance.

Key features:

• Forged aluminum construction – ultra-light, race-proven strength
• Heat-treated skirts & coatings – reduced friction, extended wear life
• DLC-coated wrist pins – diamond-like carbon coating for extreme wear resistance and low friction
• Engineered for high boost – ideal for supercharged or tuned 450Rs

Whether you’re chasing top speed or building a bulletproof offshore setup, Ramey Racing pistons are built to push your 450R to the limit—without compromise.