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  Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Ford > Ford - 302 Windsor > Flat Top >

Probe Forged Pistons_PRS Series_Ford 331_Flat_1.165 C/H_4.000 Base Bore_-4.0cc_.912 Pin_Standard 20d Wedge Head_Gas Ported
Probe Forged Pistons

Photo may not be actual product



 


Available Part Numbers/Oversize

8000-1-15261-000 - 4.000
8000-1-15261-030 - 4.030
8000-1-15261-040 - 4.040


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

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Item# Item Name Price Qty Add
8000-1-15261-000 PRS Pistons_Ford 327_Flat_4.000 Bore_-4.0cc
$1,250.00
8000-1-15261-030 PRS Pistons_Ford 331_Flat_4.030 Bore_-4.0cc
$1,250.00
8000-1-15261-040 PRS Pistons_Ford 333_Flat_4.040 Bore_-4.0cc
$1,250.00
Check the items you wish to purchase, then click


Technical Specs:
Item Code8000-1-15261
VendorProbe Industries
Product TypePistons
Product ModelProfessional Race Series - PRS
Nitrous400 H/P
Forced Induction20 lbs
Engine Displacement331
Engine FamilyFord - 302 Windsor
Material2618-t61
Base Bore4.000
Stroke3.250
Rod Length5.400
Compression Height1.165
Top TypeFlat
Net Piston Volume-4.0
Minimum Deck Thickness.200
Valve Pocket LocationStandard 20d Wedge
Valve Pocket Cutters2.300 Intake - 1.800 Exhaust
Valve Pocket Depth.270 Intake - .200 Exhaust
WeightTBA
Wrist Pin Type52100 Bearing Steel
Wrist Pin Diameter.912
Wrist Pin Length2.300
Wall ThicknessPer Application
Wrist Pin WeightPer Application
Pin OilersForced
Pin Lock TypeDouble Spiral
Oil Support RailNo
Rings IncludedNo
Ring Grooves.043 - .043 - 3.0
Gas PortsVertical or Lateral
Gas Port Size10 to 12 - .062 drill
Ring Lands.220 - .140 - .075
QuantitySold in sets of 8
Minimum Order Quantity4 (each)
Notes




Compression Ratio:
Cylinder Head Volume
Part Number Net cc 58cc 61cc 64cc 72cc
8000-1-15261-000 -4.0 10.23 9.86 9.52 8.73
8000-1-15261-030 -4.0 10.36 9.99 9.65 8.85
8000-1-15261-040 -4.0 10.41 10.03 9.69 8.89
Computed with .010 deck and .040 x 4.060 gasket



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Pistons > Probe Forged Pistons > PRS - Professional Race Series > Ford > Ford - 302 Windsor > Flat Top
Pistons > Probe Forged Pistons > PRS - Professional Race Series > Ford > Ford - 302 Windsor > Flat Top > Standard 20° Wedge Head