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Probe Forged Pistons Probe Forged Pistons Probe Forged Pistons
P/N: 8104-1-10663
  • V/R for OEM or AFR Head
  • 1.350 Compression Height
  • 4.300 Stroke
  • 6.800 Rod Length
  • .990 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bores Sizes: 4.360, 4.390, 4.400, 4.420, 4.440
Price includes pistons, pins, locks and oil rail spacers (as required)
P/N: 8100-1-12348
  • V/R for Standard 20° Wedge Head
  • 1.090 Compression Height
  • 3.400 Stroke
  • 5.400 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.000, 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required)
P/N: 8000-1-10660
  • V/R for Standard 20° Wedge Head
  • 1.090 Compression Height
  • 3.400 Stroke
  • 5.400 Rod Length
  • .912 Wrist Pin Diameter
  • .043 .043 3.0 Ring Grooves Ring Grooves
  • Top Gas Ports
  • Nitrous - 300 H/P
  • Forced Induction - 15 lbs
Available Bore Sizes: 4.000, 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required)
Probe Forged Pistons Probe Forged Pistons ProMAXX Cylinder Heads
P/N: 8122-3-14934
  • SRS Alcoholic (14.0:1)
  • V/R for 23° Wedge Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required)
P/N: 8125-3-13731
  • V/R for OEM Head
  • 1.395 Compression Height
  • 4.000 Stroke
  • 6.385 Rod Length
  • .990 Wrist Pin Diameter
  • 1/16 1/16 3/16 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.250, 4.280, 4.310, 4.320, 4.350, 4.375
Price includes pistons, pins, locks and oil rail spacers (as required)
P/N: PMX-SBF-64S-9212
  • 356-t6 Aluminum
  • 200cc Intake Runner
  • Hand bowl blended
  • 64cc Combustion Chamber
Assembled heads feature 21-4N, back cut swirl polished, 1 pc stainless steel valves.
Probe Villain Engine Kit Probe Forged Pistons ProMAXX Cylinder Heads
P/N: 9000-11003
  • Valve Pockets for Standard Wedge Heads
  • Wiseco PTS 4032 Forged Pistons-1.090 C/H
  • Probe 3.400 Stroke Cast Steel Crankshaft
  • Probe 5.400 ctc Machined Beam 5140 Steel Rods
  • ARP 8740 Through Bolts
  • 4.030 or 4.040 Bore sizes
  • External Balance (28 oz)
  • Components rated at 550 Horsepower
Available Bore Sizes: 4.030, 4.040
P/N: 8025-3-14032
  • V/R for OEM Head
  • 1.270 Compression Height
  • 4.250 Stroke
  • 6.385 Rod Length
  • .990 Wrist Pin Diameter
  • .043 1/16 3/16 Ring Grooves
  • Nitrous - 300 H/P
  • Top Gas Ports
  • Forced Induction - 15 lbs
Available Bore Sizes: 4.250, 4.280, 4.310, 4.320, 4.350, 4.375
Price includes pistons, pins, locks and oil rail spacers (as required)
P/N: PMX-BBC-121A-9371
  • 356-t6 Aluminum
  • 370cc Intake Runner
  • Hand bowl blended
  • 121cc Combustion Chamber
Assembled heads feature 21-4N, back cut swirl polished, 1 pc stainless steel valves.