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  Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Chevrolet > Chevrolet - 454 Big Block > Dome Top >

Probe Forged Pistons_PRS Series_Chevrolet 454_Dome_1.270 C/H_4.250 Base Bore_39.0cc_.990 Pin_OEM Valve Locations_Gas Ported
Probe Forged Pistons

Photo may not be actual product



 


Available Part Numbers/Oversize

8025-3-14032-000 - 4.250
8025-3-14032-030 - 4.280
8025-3-14032-060 - 4.310
8025-3-14032-070 - 4.320
8025-3-14032-100 - 4.350
8025-3-14032-125 - 4.375


Probe Industries Professional Race Series Forged Pistons are designed for extreme performance street and all racing applications. They are available in a wide variety of designs, tuned to achieve the highest performance possible. Any combination from high performance street to heavily boosted race only cars will find Probe PRS Series Forged Pistons to be the perfect piston for virtually any application.
  • 2618-t61 Forged Aluminum
  • Lightweight piston designs
  • 52100 bearing steel wrist pins
  • Full floating
  • Tight running clearances
  • Low friction narrow piston rings
  • Top or lateral gas ports
  • Dual forced and broached pin oilers
  • Low drag skirt design
  • Large variety of compression ratios
  • Design specific valve reliefs
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
  • Four (each) minimum order quantity
Custom sizes and applications are also available. Additional cost and manufacture times may apply.
Allow approximately 14 business days for manufacture. Delivery times may vary seasonally.




Add a Total Seal Performance Ring Set......click here

www.P65Warnings.ca.gov






Item# Item Name Price Qty Add
8025-3-14032-000 PRS Pistons_Chevrolet 482_Dome_4.250 Bore_39.0cc
$1,350.00
8025-3-14032-030 PRS Pistons_Chevrolet 489_Dome_4.280 Bore_39.0cc
$1,350.00
8025-3-14032-060 PRS Pistons_Chevrolet 496_Dome_4.310 Bore_39.0cc
$1,350.00
8025-3-14032-070 PRS Pistons_Chevrolet 498_Dome_4.320 Bore_39.0cc
$1,350.00
8025-3-14032-100 PRS Pistons_Chevrolet 505_Dome_4.350 Bore_39.0cc
$1,350.00
8025-3-14032-125 PRS Pistons_Chevrolet 544_Dome_4.375 Bore_39.0cc
$1,350.00
Check the items you wish to purchase, then click


Technical Specs:
Item Code8025-3-14032
VendorProbe Industries
Product TypePistons
Product ModelProfessional Race Series - PRS
Nitrous400 H/P
Forced Induction20 lbs
Engine Displacement496
Engine FamilyChevrolet 454 Big Block
Material2618-t61
Base Bore4.250
Stroke4.250
Rod Length6.385
Compression Height1.270
Top TypeDome
Net Piston Volume39.0
Minimum Deck Thickness.200
Valve Pocket LocationOEM
Valve Pocket Cutters2.300 Intake - .000 Exhaust
Valve Pocket Depth.320 Intake - .060 Up Exhaust
Weight536
Wrist Pin Type52100 Bearing Steel
Wrist Pin Diameter.990
Wrist Pin Length2.930
Wall ThicknessPer Application
Wrist Pin WeightPer Application
Pin OilersForced
Pin Lock TypeDouble Spiral
Oil Support RailYes
Rings IncludedNo
Ring Grooves.043 - .043 - 3.0
Gas PortsVertical or Lateral
Gas Port Size10 to 12 - .062 drill
Ring Lands.350 - .160 - .080
QuantitySold in sets of 8
Minimum Order Quantity4 (each)
Notes




Compression Ratio:
Cylinder Head Volume
Part Number Net cc 109cc 112cc 118cc 123cc
8025-3-14032-000 39.0 13.02 12.60 11.84 11.27
8025-3-14032-030 39.0 13.19 12.76 11.99 11.41
8025-3-14032-060 39.0 13.36 12.92 12.14 11.56
8025-3-14032-070 39.0 13.41 12.97 12.19 11.61
8025-3-14032-100 39.0 13.58 13.14 12.34 11.75
8025-3-14032-125 39.0 13.72 13.27 12.47 11.87
Computed with .010 deck and .040 x 4.375 gasket



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