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Probe FPS Forged Pistons P4963F-030

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$401.87

Pistons, Forged, Dome, 4.280 in. Bore, Chevy, Each

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Brand: Probe Pistons
Manufacturer's Part Number: P4963F-030
Part Type: Pistons
Product Line: Probe FPS Forged Pistons
Summit Racing Part Number: PBP-P4963F-030

Bore (in): 4.280 in.
Bore (mm): 108.712mm
Piston Style: Dome, with single valve relief
Piston Material: Forged aluminum
Compression Distance (in): 1.270 in.
Dome Height (in): 0.220 in.
Piston Head Volume (cc): -18.00cc
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 0.990 in.
Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
Quantity: Sold as a set of 8.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

"Winning performance" describes the company and its products--Probe FPS forged pistons. These Factory Performance Series pistons are built with the power to handle your heavy-duty towing applications, as well as high performance street cars, trucks, or marine applications. Stronger than hypereutectic cast pistons, Probe FPS pistons are crafted from VMS-75 high-silicon, heat-treated aluminum using the same precision CNC-machining as their race pistons. FPS forged pistons feature reinforced piston skirts, radial anti-detonation grooves, pressure equalization channels, increased valve relief depth, offset wrist pins, and stock size ring grooves and press-fit pins. Increased power and fuel economy, reduced noise, and longer service time--all are part of the winning performance offered by Probe FPS forged pistons.


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Make: CHEVROLET
Beginning Year: 1970
Ending Year: 1990
Engine Type: V8
Liter: 7.4
CID: 454
Engine Size: 7.4L/454
Engine Family: Chevy big block Mark IV
Rod Length: 6.385 in.
Stroke: 4.250 in.
Make: CHEVROLET
Beginning Year: 1991
Ending Year: 1995
Engine Type: V8
Liter: 7.4
CID: 454
Engine Size: 7.4L/454
Engine Family: Chevy big block Gen V
Rod Length: 6.385 in.
Stroke: 4.250 in.
Make: CHEVROLET
Beginning Year: 1996
Ending Year: 2000
Engine Type: V8
Liter: 7.4
CID: 454
Engine Size: 7.4L/454
Engine Family: Chevy big block Gen VI
Rod Length: 6.385 in.
Stroke: 4.250 in.
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Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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