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1001856 RaceTec Forged Dish Piston Set for GM Gen V LT4 Engines [4.070 in. Bore]
InfoVehicle Info Needed
RACETEC PISTONSPART NUMBER: 613-1001856

1001856 RaceTec Forged Dish Piston Set for GM Gen V LT4 Engines [4.070 in. Bore]

$1,09700
ShippingShips on 12/14/2026
Lowest PriceLowest Price Guarantee

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RaceTec Forged Piston Set
  • GM Gen V LT4
  • 4.070 in. Bore
  • Forged 2618 Aluminum
  • 3.622 in. Stroke
  • 6.098 in. Rod Length
  • 1.330 in. Compression Height
  • -8.3 cc Crown Volume
  • 1.5 x 1.5 x 3.0 mm Ring Grooves
  • Set of 8

    Racetec 1001856 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 1001856 Racetec Dish Piston Set Specs:

    • Engine Family: GM Gen V LT4
    • Displacement reference: 377 cu. in. (6.2L)
    • Bore: 4.070 in.
    • Stroke: 3.622 in.
    • Rod Length: 6.098 in.
    • Compression Height: 1.330 in.
    • Crown Volume: -8.3 cc
    • Piston Style: Dish
    • Alloy: 2618
    • Wrist Pin Diameter: 0.945 in.
    • Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil

    RaceTec 1001856 RaceTec Dish Piston Set Notes:

    • Requires RaceTec RT4070 Ring Set or Equivalent (Sold Separately)
    • Compression Ratios:
      • 10.0:1 @ w/65.5 cc Heads
    • Fits Gen V LT4 with Fuel Bowl for Direct Injection
    • Oil Squirter may need to be modified for clearance

      • RaceTec Series Pistons For Chevy Applications: Ultimate 2618 Alloy Strength For High-Horsepower Builds

      RaceTec Series Pistons represent the highest level of precision-engineered performance, manufactured from forged or billet 2618 aluminum alloy for extreme durability and strength. Designed using advanced CAD technology and modern CNC machining, these pistons feature diamond-turned ring grooves and skirts for superior sealing, reduced friction, and consistent performance under high horsepower demands. The RaceTec Series provides proven reliability for everything from shelf applications with mild nitrous or boost to fully custom Top Fuel, vintage racing, and extreme power builds.

    Part TypePiston
    Product LineRaceTec Series Pistons for Chevy
    BrandRACETEC PISTONS
    Package Height6.0
    Package Width12.0
    Package Length12.0
    Weight12.0 PG
    Part CategoryPerformance Parts
    Pin Lock Rings IncludedYes
    Compression Height (In)1.33
    Bore (In)4.07
    Wrist Pin StylePress or Full Floating
    QuantitySet of 8
    Piston Head Volume-8.3cc
    Engine Make/SizeGM Gen V LT
    Piston StyleDish
    Compression Ratio65.5cc-10.0:1
    Ring Thickness1.5 x 1.5 x 3.0 mm
    Piston MaterialForged 2618
    Pin Diameter (In)0.945
    Part FitmentSemi Universal
    Wrist Pin IncludedYes
    Snap Rings IncludedYes
    Vendor Part Number1001856
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning