Probe PRS Forged Pistons

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Standard 20° Wedge Head

Twisted Wedge Head

Twisted Wedge 11R Head

Flat top pistons in a Ford 302 to 363 engine will generally provide compression ratios in the 9.0 to 10.5:1 range which makes them a good option for engines with aluminum heads and larger than stock camshafts. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to well over .600 valve lift. They are available for and Standard Style Wedge heads, as well as Twisted Wedge and Twisted Wedge 11R.

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Probe Forged Pistons_PRS Series_Ford 302_Flat_1.600 C/H_4.000 Base Bore_-1.0cc_.912 Pin_Twisted Wedge 11R Head_Gas Ported

P/N: 8000-1-70682

V/R for Twisted Wedge 11R Head
1.600 Compression Height
3.000 Stroke
5.090 Rod Length
.912 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040, 4.060
Price includes pistons, pins, locks and oil rail spacers (as required)

Probe Forged Pistons_PRS Series_Ford 302_Flat_1.600 C/H_4.000 Base Bore_-4.0cc_.912 Pin_Standard 20d Wedge Head_Gas Ported

P/N: 8000-1-10682

V/R for Standard 20d Wedge Head
1.600 Compression Height
3.000 Stroke
5.090 Rod Length
.912 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040, 4.060
Price includes pistons, pins, locks and oil rail spacers (as required)

Probe Forged Pistons_PRS Series_Ford 302_Flat_1.600 C/H_4.000 Base Bore_-4.0cc_.912 Pin_Twisted Wedge Head_Gas Ported

P/N: 8000-1-60682

V/R for Twisted Wedge Head
1.600 Compression Height
3.000 Stroke
5.090 Rod Length
.912 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040, 4.060
Price includes pistons, pins, locks and oil rail spacers (as required)

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

P/N: 8000-1-15261

V/R for Standard 20d Wedge Head
1.165 Compression Height
3.250 Stroke
5.400 Rod Length
.912 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required)

Probe Forged Pistons_PRS Series_Ford 331_Flat_1.165 C/H_4.000 Base Bore_-4.0cc_.912 Pin_Twisted Wedge 11R Head_Gas Ported

P/N: 8000-1-75261

V/R for Standard Wedge 11R Head
1.165 Compression Height
3.250 Stroke
5.400 Rod Length
.912 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040 Price includes pistons, pins, locks and oil rail spacers (as required)

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

P/N: 8000-1-65261

V/R for Standard 20d Wedge Head
1.165 Compression Height
3.250 Stroke
5.400 Rod Length
.912 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required)

Probe Forged Pistons_PRS Series_Ford 331_Flat_1.165 C/H_4.000 Base Bore_-4.0cc_.927 Pin_Standard 20d Wedge Head_Gas Ported

P/N: 8000-1-15262

V/R for Standard 20d Wedge Head
1.165 Compression Height
3.250 Stroke
5.400 Rod Length
.927 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required)

Probe Forged Pistons_PRS Series_Ford 331_Flat_1.165 C/H_4.000 Base Bore_-4.0cc_.927 Pin_Twisted Wedge 11R Head_Gas Ported

P/N: 8000-1-75262

V/R for Twisted Wedge 11R Head
1.165 Compression Height
3.250 Stroke
5.400 Rod Length
.927 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required)

Probe Forged Pistons_PRS Series_Ford 331_Flat_1.165 C/H_4.000 Base Bore_-4.0cc_.927 Pin_Twisted Wedge Head_Gas Ported

P/N: 8000-1-65262

V/R for Twisted Wedge Head
1.165 Compression Height
3.250 Stroke
5.400 Rod Length
.927 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.000, 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required)

Probe Forged Pistons_PRS Series_Ford 347 Big Bore_Flat_1.165 C/H_4.125 Base Bore_-4.0cc_.912 Pin_Standard 20d Wedge Head_Gas Ported

P/N: 8000-1-15263

V/R for Standard 20d Wedge Head
1.165 Compression Height
3.250 Stroke
5.400 Rod Length
.912 Wrist Pin
52100 Bearing Steel Wrist Pins
.1.2 1.2 3.0 Ring Grooves
Top or Lateral Gas Ports
Nitrous - 400 H/P
Forced Induction - 20 lbs

Available Bore Sizes: 4.125, 4.145, 4.155
Price includes pistons, pins, locks and oil rail spacers (as required)