Racetec 1001863 RaceTec Dish Piston Set Features:

• Manufactured on 2618 material forgings that will accept most extreme racing applications
• CNC Precision used in every manufacturing operation
• Valve pockets machined for oversized valves and high lift cams
• Critically machined ring grooves for 1.5mm, 1.5mm, 3.0mm rings
• Top ring land gas distribution grooves to enhance performance and improve ring seal
• 927-22250-51-18C or 945-2250-51-15C 51 Series Heavy Duty Chromoly wrist pins, pin fit, wire locks, double pin oilers, and accumulator groove are included
• Diamond tooling used throughout production including ring grooves and skirts

RaceTec 1001863 Racetec Dish Piston Set Specs:

• Engine Family: GM Gen V LT4
• Displacement reference: 417 cu. in. (6.8L)
• Bore: 4.075 in.
• Stroke: 4 in.
• Rod Length: 6.125 in.
• Compression Height: 1.115 in.
• Crown Volume: -17.4 cc
• Piston Style: Dish
• Alloy: 2618
• Wrist Pin Diameter: 0.927 in.
• Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil

RaceTec 1001863 RaceTec Dish Piston Set Notes:

• Compression Ratios:
  • 10.0:1 @ w/65.5 cc Heads
• Includes oil rail supports
• Fits Gen V LT4 with Fuel Bowl for Direct Injection
• Oil Squirter may need to be modified for clearance