Manley 590040R-1 Manley Platinum Series Pistons | Atech Motorsports Valves typically shifting the torque curve

typically shifting the torque curve lower in the RPM range for improved low-end and mid-range power

while the corrosion-resistant terminal towers accept standard marine-grade spark plug wire boots

4°F to 297

Product 49666 is verified for correct specifications and dimensional accuracy before shipment

Manley 590040R-1 Manley Platinum Series Pistons | Atech Motorsports Valves typically shifting the torque curveThe Manley 590040R 1 Manley Platinum Series Pistons Atech Motorsports are premium forged pistons designed for engine builders who refuse to compromise. As the component that transfers combustion pressure directly to the connecting rod, piston selection is critical for power, reliability, and longevity. These pistons are ideal for high performance street, strip, and circle track applications where consistent ring seal and thermal stability matter most.