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  Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Ford > Ford - 429/460 > Dish Top >

Probe PRS Series Forged Pistons_Ford 545_Dish Top_1.250 C/H_4.360 Base Bore_-32.2cc_SCJ/Kaase Head
Probe Forged Pistons

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Available Part Numbers/Oversize

8004-2-22333-000 - 4.360
8004-2-22333-030 - 4.390
8004-2-22333-040 - 4.400
8004-2-22333-060 - 4.420
8004-2-22333-080 - 4.440

Probe PRS Series Forged Pistons

Probe Industries Professional Race Series 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 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
  • Dual forced and broached pin oilers
  • Low drag skirt design
  • Large variety of compression ratios
  • Design specific valve reliefs
  • Nitrous - to 300 H/P
  • Forced Induction - 15 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
8004-2-22333-000 PRS Pistons_Ford 537_Dish_4.300 Bore_-32.2cc
$1,225.00
8004-2-22333-030 PRS Pistons_Ford 545_Dish_4.390 Bore_-32.2cc
$1,225.00
8004-2-22333-040 PRS Pistons_Ford 547_Dish_4.400 Bore_-32.2cc
$1,225.00
8004-2-22333-060 PRS Pistons_Ford 552_Dish_4.420 Bore_-32.2cc
$1,225.00
8004-2-22333-080 PRS Pistons_Ford 577_Dish_4.440 Bore_-32.2cc
$1,225.00
Check the items you wish to purchase, then click


Technical Specs:
Item Code 8004-2-22333
Vendor Probe Industries
Product Type Pistons
Product Model Professional Race Series - PRS
Nitrous 300 H/P
Forced Induction 15 lbs
Engine Displacement 460
Engine Family FORD - 385 Series
Material 2618-t61 Forged Aluminum
Bore 4.360
Stroke 4.500
Rod Length 6.800
Compression Height 1.250
Top Type Dish Top
Net Piston Volume -32.2
Minimum Deck Thickness .230
Valve Pocket Location SCJ/Kasse Head
Valve Pocket Cutters 2.300 Intake - 1.900 Exhaust
Valve Pocket Depth .225 Intake -.105 Exhaust
Weight Without Pin TBA
Wrist Pin Type 52100 Bearing Steel
Wrist Pin Diameter .990
Wrist Pin Length 2.930
Wall Thickness .150
Wrist Pin Weight 146
Pin Oilers Forced/Broached Combination
Pin Lock Type Double Spiral
Oil Support Rail Yes
Rings Included No
Ring Grooves 1/16 - 1/16 - 3/16
Gas Ports Top
Ring Lands .340 - .160 - .080
Quantity Sold in sets of 8
Minimum Order Quantity 4 (each)
Notes Fits SCJ/Kasse Head




Compression Ratio:

Cylinder Head Volume
Part Number Net cc 72cc 86cc 100cc
8004-2-22333-000 -32.2 10.39 9.39 8.58
8004-2-22333-030 -32.2 10.50 9.49 8.67
8004-2-22333-040 -32.2 10.54 9.53 8.71
8004-2-22333-060 -32.2 10.62 9.60 8.77
8004-2-22333-080 -32.2 10.70 9.67 8.83
Computed at .010 deck and .041 gasket



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