RaceTec 1001831 AutoTec Flat Top Piston Set Features:

• Manufactured on 4032 material that will accept high performance applications
• CNC Precision used in every manufacturing operation
• Valve pockets machined for oversized valves and high lift cams
• Critically machined ring grooves for 1/16 in., 1/16 in., 3/16 in. rings
• Top ring land gas distribution grooves to enhance performance and improve ring seal
• 984-2700-51-15C Heavy Duty Chromoly wrist pins, pin fit, wire locks, broached double pin oilers, and accumulator groove are included at no extra charge
• Diamond tooling used throughout production including ring grooves and skirts for unrivaled tolerance control and finish!

RaceTec 1001831 AutoTec Flat Top Piston Set Specs:

• Engine Family: Chrysler 318 Poly
• Displacement reference: 323 cu. in. (5.3L)
• Bore: 3.940 in. Bore
• Stroke: 3.313 in.
• Rod Length: 6.123 in.
• Compression Height: 1.800 in.
• Crown Volume: -1.6 cc
• Piston Style: Flat Top w/2 Valve Reliefs
• Alloy: 4032
• Wrist Pin Diameter: 0.984 in.
• Ring Grooves: 1/16 in. Top, 1/16 in. Second, 3/16 in. Oil

RaceTec 1001831 AutoTec Flat Top Piston Set Notes:

• Requires RaceTec AT8940 Ring Set or Equivalent (Sold Separately)
• Compression Ratios:
  • 9.2:1 @ w/70 cc Heads
  • 8.7:1 @ w/75 cc Heads