Racetec 1000800 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 1.5, 1.5, 3.0 rings unless otherwise indicated
• Top ring land gas distribution groove to enhance performance and improve ring seal
• 984-2700-51-15C wrist pins, pin fitting, wire locks, broached pin oilers and accumulator grooves are included
• Diamond turned skirts

RaceTec 1000800 Autotec Dome Piston Set Specs:

• Engine Family: Chrysler 354, 392 Hemi
• Displacement reference: 398 cu. in. (6.5L)
• Bore: 4.030 in.
• Stroke: 3.900 in.
• Rod Length: 6.952 in.
• Compression Height: 1.970 in.
• Crown Volume: 23 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 1000800 AutoTec Dome Piston Set Notes:

• Requires RaceTec AT 4030 Ring Set or Equivalent (Sold Separately)
• Compression Ratios:
  • 10.5 @ w/100 cc Heads
  • 9.5 @ w/110 cc Heads
• Rod clearance milled to 1.300 in.