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  Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Chevrolet > Chevrolet - LS Series > Flat Top >

Probe Forged Pistons_PRS Series_Chevrolet LS_Flat_1.110 C/H_3.898 Base Bore_-2.7cc_.927 Pin_15d Head_Gas Ported
Probe Forged Pistons

Photo may not be actual product
 


Available Part Numbers/Oversize

8031-1-15021-000 - 3.898
8031-1-15021-004 - 3.902
8031-1-15021-007 - 3.905


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 6 weeks 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
8031-1-15021-000 PRS Pistons_Chevrolet LS_Flat_3.898 Bore_-2.7cc
$1,525.00
8031-1-15021-004 PRS Pistons_Chevrolet LS_Flat_3.902 Bore_-2.7cc
$1,525.00
8031-1-15021-007 PRS Pistons_Chevrolet LS_Flat_3.905 Bore_-2.7cc
$1,525.00
Check the items you wish to purchase, then click


Technical Specs:
Item Code8031-1-15021
VendorProbe Industries
Product TypePistons
Product ModelProfessional Race Series - PRS
Nitrous400 H/P
Forced Induction20 lbs
Engine Displacement383
Engine FamilyChevrolet LS Series
Material2618-t61
Base Bore3.898
Stroke4.000
Rod Length6.125
Compression Height1.110
Top TypeFlat
Net Piston Volume-2.7
Minimum Deck Thickness.200
Valve Pocket Location15d OEM
Valve Pocket Cutters2.300 Intake - 1.700 Exhaust
Valve Pocket Depth.200 Intake - SP Exhaust
WeightTBA
Wrist Pin Type52100 Bearing Steel
Wrist Pin Diameter.927
Wrist Pin Length2.300
Wall ThicknessPer Application
Wrist Pin WeightPer Application
Pin OilersForced
Pin Lock TypeDouble Spiral
Oil Support RailYes
Rings IncludedNo
Ring Grooves1.2 - 1.2 - 3.0
Gas PortsVertical or Lateral
Gas Port Size10 to 12 - .062 drill
Ring Lands.260 - .180 - .090
QuantitySold in sets of 8
Minimum Order Quantity4 (each)
Notes




Compression Ratio:
Cylinder Head Volume
Part Number Net cc 62cc 67cc 70cc
8031-1-15021-000 -2.7 11.43 10.78 10.42
8031-1-15021-004 -2.7 11.45 10.80 10.44
8031-1-15021-007 -2.7 11.46 10.81 10.46
Computed with .010 deck and .040 x 4.030 gasket

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