Racetec 1000794 AutoTec Dome Piston Set Features:

• Manufactured from low-expansion, high-silicon, 4032 material with side reliefs that's excellent for street or strip applications
• CNC Precision machined ring grooves for 1.5mm, 1.5mm, 3.0mm rings unless otherwise indicated
• Top ring land gas distribution groove to enhance performance and improve ring seal
• 927, 945, or 984-2250-51-15C wrist pins, pin fitting, wire locks, broached pin oilers and accumulator grooves are included

RaceTec 1000794 Autotec Dome Piston Set Specs:

• Engine Family: Chrysler 5.7, 6.1 Hemi
• Displacement reference: 371 cu. in. (6.1L)
• Bore: 4.065 in.
• Stroke: 3.580 in.
• Rod Length: 6.243 in.
• Compression Height: 1.220 in.
• Crown Volume: 6.5 cc
• Piston Style: Dome
• Alloy: 4032
• Wrist Pin Diameter: 0.984 in.
• Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil

RaceTec 1000794 AutoTec Dome Piston Set Notes:

• Requires RaceTec AT 4065 Ring Set or Equivalent (Sold Separately)
• Compression Ratios:
  • 12.2 @ w/65 cc Heads
  • 11 @ w/73 cc Heads
  • 9.7 @ w/85 cc Heads