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1001753 AutoTec Forged Dome Piston Set for Big Block Chevy 348 / 409 Engines [4.145 in. Bore]
InfoVehicle Info Needed
RACETEC PISTONSPART NUMBER: 613-1001753

1001753 AutoTec Forged Dome Piston Set for Big Block Chevy 348 / 409 Engines [4.145 in. Bore]

$1,12700
ShippingShips on 12/14/2026
Lowest PriceLowest Price Guarantee

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AutoTec Forged Piston Set
  • BB Chevy 348 / 409
  • 4.145 in. Bore
  • Forged 4032 Aluminum
  • 3.250 in. Stroke
  • 6.135 in. Rod Length
  • 1.835 in. Compression Height
  • 76 cc Crown Volume
  • 1.5 x 1.5 x 3.0 mm Ring Grooves
  • Set of 8

    Racetec 1001753 AutoTec Dome 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 1.5mm, 1.5mm, 3.0mm rings
    • Top ring land gas distribution grooves to enhance performance and improve ring seal
    • 990-2800-51-15C 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 1001753 Autotec Dome Piston Set Specs:

    • Engine Family: Big Block Chevy 348 / 409
    • Displacement reference: 351 cu. in. (5.8L)
    • Bore: 4.145 in.
    • Stroke: 3.250 in.
    • Rod Length: 6.135 in.
    • Compression Height: 1.835 in.
    • Crown Volume: 76 cc
    • Piston Style: Dome
    • Alloy: 4032
    • Wrist Pin Diameter: 0.990 in.
    • Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil

    RaceTec 1001753 AutoTec Dome Piston Set Notes:

    • Requires RaceTec AT4145 Ring Set or Equivalent (Sold Separately)
    • Compression Ratios:
      • 10.0:1 @ w/13 cc Heads
    • Will work with most 348 / 409 cylinder heads
    • Part TypePiston
    BrandRACETEC PISTONS
    Package Height6.0
    Package Width12.0
    Package Length12.0
    Weight14.0 PG
    Part CategoryPerformance Parts
    Pin Lock Rings IncludedYes
    Compression Height (In)1.835
    Bore (In)4.145
    Wrist Pin StylePress or Full Floating
    QuantitySet of 8
    Piston Head Volume76cc
    Engine Make/SizeChevy Big Block
    Piston StyleDome
    Compression Ratio13cc-10.0:1
    Ring Thickness1.5 x 1.5 x 3.0 mm
    Piston MaterialForged 4032
    Pin Diameter (In)0.99
    Part FitmentSemi Universal
    Wrist Pin IncludedYes
    Snap Rings IncludedYes
    Vendor Part Number1001753
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
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