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These powerful Probe SRS forged pistons belong to their Sportsman Race series and are designed for high performance street and most racing applications. Crafted from 2618-T61 low-silicon forged aluminium, Probe SRS pistons feature lightweight, full-floating wrist pins, narrow piston rings, a low-drag skirt design, and design-specific valve reliefs. These pistons offer tight running clearances and a large variety of compression ratios, tuned to achieve the highest performance possible. Vehicles from street machines to race cars lead the way with winning performances from Probe SRS forged pistons.
Specifications:
Type: Dome Top +11.5cc
Bore: 4.155"
suit Stroke: 3.750"
suit Rods: 6.000"
Comp Height: 1.125"
Pin: .927"
Ring Grooves: 1/16",
1/16", 1/8"