Probe FPS SB and BB Pistons from RPM Machine

Premium Race Series

Chevy 350 & 383 Ultra Light Flat Top

2300 Ultra Light Flat Top

PRS Series Pistons

Probe PRS Forged Pistons are specifically designed for racing application. Now available for the Chevrolet 350 and Ford 2300, Probe PRS pistons are designed to be the lightest pistons available anywhere. In addition to the ultralight weight Probe PRS forged pistons are designed to radically reduce drag and enhance ring seal to increase power.

* 2618-t6 Forged Aluminum
* Ultra light piston designs
* Ultralight wrist pins
* Full floating wrist pins
* Lateral gas ports (some models)
* .043" top and second rings (some models)
* "Frictionless" skirt designs
* Narrow ring lands

We Offer a Complete line of high performance racing and engine parts. We have it all from the oil pan to the intake manifold and all if is available from different Manufacturers. Call To order your parts today!!

We have other lines other that probe including Wiseco motorcycle, ,jepistons,,je,wiseco,srp,trw,venolia,mahle,ross,keith black

Anti-Setonation Grooves Reduces detonation by tempering pressure spikes, enhances piston life!
Pressure Equaliztion Channel Enhance ring eal, producing more power and enhancing fuel economy!
Slotted Drain Back Holes Slotted drain back holes prevent oil from collecting in the oil ring groove.
CNC Diamond Pinhole Finish Produces ultra straight pinholes and outstanding microfinish for extended life and durability.
Slotted Pin Oiling Slotted pin oiling enhances wrist pin and pin holes oiling for durability and long life.
CNC Diamond Skirt Finishing Retains oil on the piston skirt providing superior anti scuffing capability! Also reduces piston noise!
Ultra-Tight Running Clearance Increases piston and piston ring life and reduces blowby!
Precision Forged of Aircraft Alloy Aluminum Our forgings are approximately 75% stronger than hypoeutectic or hypereutectic castings!
Fully CNC Machined Domes and valve reliefs are fully CNC machined for consistancy and precise clearance to valves and combustion chambers

Probe Pistons

Premium Race Series