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  Home > Pistons > Probe Forged Pistons > SRS - Sportsman Race Series > Chevrolet > Chevrolet - Big Block > Dome Top >

Probe SRS Series Forged Pistons_Chevrolet 454_Dome_1.395 C/H_4.250 Base Bore_18.0cc_.990 Pin_OEM Valve Locations
Probe Forged Pistons

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Available Part Numbers/Oversize

8125-3-13731-000 - 4.250
8125-3-13731-030 - 4.280
8125-3-13731-060 - 4.310
8125-3-13731-070 - 4.320
8125-3-13731-100 - 4.350
8125-3-13731-125 - 4.375

Probe SRS Series Forged Pistons

Probe Industries Sportsman Race Series (SRS) Forged Pistons are designed for high 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 mild nitrous or boost to race only cars will find Probe SRS Series Forged Pistons to be the perfect piston for virtually any application.

  • 2618-t6 Forged Aluminum
  • Lightweight wrist pins
  • Lightweight piston designs
  • Full floating wrist pins
  • Tight running clearances
  • Low Friction Narrow piston rings
  • Broached Pin Oilers
  • Low drag skirt design
  • Large variety of compression ratios
  • Design specific valve reliefs
  • Nitrous - to 250 H/P
  • Forced Induction - 12 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.



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

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Item# Item Name Price Qty Add
8125-3-13731-000 SRS Pistons_Chevrolet 454_Dome_4.250 Bore_18.0cc
$800.00
8125-3-13731-030 SRS Pistons_Chevrolet 460_Dome_4.280 Bore_18.0cc
$800.00
8125-3-13731-060 SRS Pistons_Chevrolet 467_Dome_4.310 Bore_18.0cc
$800.00
8125-3-13731-070 SRS Pistons_Chevrolet 468_Dome_4.320 Bore_18.0cc
$800.00
8125-3-13731-100 SRS Pistons_Chevrolet 476_Dome_4.350 Bore_18.0cc
$800.00
8125-3-13731-125 SRS Pistons_Chevrolet 481_Dome_4.375 Bore_18.0cc
$800.00
Check the items you wish to purchase, then click


Technical Specs:
Item Code 8125-3-13731
Vendor Probe Industries
Product Type Pistons
Product Model Sportsman Race Series - SRS
Nitrous 250 H/P
Forced Induction 12 lbs
Engine Displacement 454
Engine Family Chevrolet 454 Big Block
Material 2618-t61 Forged Aluminum
Base Bore 4.250
Stroke 4.000
Rod Length 6.385
Compression Height 1.395
Top Type Dome
Net Piston Volume 18.0
Minimum Deck Thickness .180
Valve Pocket Location OEM Head
Valve Pocket Cutters 2.300 Intake - .000 Exhaust
Valve Pocket Depth .320 Intake - .060 Up Exhaust
Weight 572
Wrist Pin Type 5115 Straight Wall
Wrist Pin Diameter .990
Wrist Pin Length 2.930
Wall Thickness .150
Wrist Pin Weight 129
Pin Oilers Broached
Pin Lock Type Double Spiral
Oil Support Rail No
Rings Included No
Ring Grooves 1/16 - 1/16 - 3/16
Gas Ports No
Ring Lands .350 - .160 - .080
Quantity Sold in sets of 8
Minimum Order Quantity 4 (each)
Notes




Compression Ratio:

Cylinder Head Volume
Part Number Net cc 109cc 112cc 118cc 123cc
8125-3-13731-000 18.0 10.01 9.76 9.29 8.94
8125-3-13731-030 18.0 10.13 9.87 9.39 9.04
8125-3-13731-060 18.0 10.24 9.98 9.50 9.14
8125-3-13731-070 18.0 10.28 10.02 9.53 9.17
8125-3-13731-100 18.0 10.39 10.13 9.64 9.27
8125-3-13731-125 18.0 10.49 10.22 9.73 9.36
Computed at .050 piston to head clearance



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