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You are here: Home > Engine Kits > Ford - 302 Windsor > 347 Cubic Inches - 3.400 Stroke > Flat Top

Flat top pistons in a 347 inch Ford engine will generally provide compression ratios in the 10.4:1 range which makes them a good option for engines with aluminum heads or larger cc iron heads. 475 Horsepower (flywheel) levels are typical with aftermarket heads and camshafts. Valve reliefs are configured to work with most types of standard and aluminum cylinder heads and will normally fit camshafts to slightly over .600 valve lift.

Villain - Cast Crank, through-bolt rods, forged pistons, designed for stock replacement and mild performance applications.

Vigilante - 4340 Forged Crank, I-Beam rods, forged pistons, designed for Street or Street and Strip performance applications.

Vindicator - 4340 Forged Crank, H-Beam rods (ARP-2000), custom forged pistons designed for serious Street or all out Strip applications.

Vanquisher - 4340 Forged Crank, H-Beam rods (ARP-2000), custom forged pistons designed for serious Street or all out Strip applications. All components are Made in the USA.
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Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.315 Rod - Flat Top - -4.0cc - External - STD Wedge Head

P/N:9100-11108
  • Valve Pockets for Standard Wedge Heads
  • Probe SRS Series 4032 Forged Pistons-1.175 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.315 ctc 4340 H-Beam Steel Rods
  • Oil Ring does not intersect with the pin hole
  • ARP 8740 Cap Screws
  • External Balance (28 oz)
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.315 Rod - Flat Top - -4.0cc - External - Twisted Wedge 11R Head

P/N:9100-71108
  • Valve Pockets for Twisted Wedge 11R Heads
  • Probe SRS Series 4032 Forged Pistons-1.175 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.315 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • External Balance (28 oz)
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.315 Rod - Flat Top - -4.0cc - External - Twisted Wedge Head

P/N:9100-61108
  • Valve Pockets for Twisted Wedge Heads
  • Probe SRS Series 4032 Forged Pistons-1.175 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.315 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • External Balance (28 oz)
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.315 Rod - Flat Top - -4.0cc - Internal - STD Wedge Head

P/N: 9100-11112          Internal Balance
  • Valve Pockets for Standard Wedge Heads
  • Probe SRS Series 4032 Forged Pistons-1.175 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.315 ctc 4340 H-Beam Steel Rods
  • Oil Ring does not intersect with the pin hole
  • ARP 8740 Cap Screws
  • Internal Balance
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.315 Rod - Flat Top - -4.0cc - Internal - Twisted Wedge 11R Head

P/N: 9100-71112          Internal Balance
  • Valve Pockets for Twisted Wedge 11R Heads
  • Probe SRS Series 4032 Forged Pistons-1.175 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.315 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • Internal Balance
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.315 Rod - Flat Top - -4.0cc - Internal - Twisted Wedge Head

P/N: 9100-61112          Internal Balance
  • Valve Pockets for Twisted Wedge Heads
  • Probe SRS Series 4032 Forged Pistons-1.175 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.315 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • Internal Balance
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.400 Rod - Flat Top - -4.0cc - External - STD Wedge Head

P/N:9100-11008
  • Valve Pockets for Standard Wedge Heads
  • Probe SRS Series 4032 Forged Pistons-1.090 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.400 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • External Balance (28 oz)
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.400 Rod - Flat Top - -4.0cc - External - Twisted Wedge 11R Head

P/N:9100-71008
  • Valve Pockets for Twisted Wedge 11R Heads
  • Probe SRS Series 4032 Forged Pistons-1.090 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.400 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • External Balance (28 oz)
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.400 Rod - Flat Top - -4.0cc - External - Twisted Wedge Head

P/N:9100-61008
  • Valve Pockets for Twisted Wedge Heads
  • Probe SRS Series 4032 Forged Pistons-1.090 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.400 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • External Balance (28 oz)
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040
Probe Vigilante Engine Kit
Vigilante Engine Kit - Ford 347 - 5.400 Rod - Flat Top - -4.0cc - Internal - STD Wedge Head

P/N: 9100-11012          Internal Balance
  • Valve Pockets for Standard Wedge Heads
  • Probe SRS Series 4032 Forged Pistons-1.090 C/H
  • Probe 3.400 Stroke 4340 Forged Steel Crankshaft
  • Probe 5.400 ctc 4340 H-Beam Steel Rods
  • ARP 8740 Cap Screws
  • Internal Balance
  • Components rated at 700 Horsepower
Available Bore Sizes: 4.000, 4.030, 4.040