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1000549 AutoTec Forged Flat Top Piston Set for Small Block Chrysler Engines [4.030 in. Bore]
InfoVehicle Info Needed
RACETEC PISTONSPART NUMBER: 613-1000549

1000549 AutoTec Forged Flat Top Piston Set for Small Block Chrysler Engines [4.030 in. Bore]

$71800
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AutoTec Forged Piston Set
  • Small Block Chrysler
  • 4.030 in. Bore
  • Forged 4032 Aluminum
  • 3.580 in. Stroke
  • 6.123 in. Rod Length
  • 1.667 in. Compression Height
  • -5 cc Crown Volume
  • 1.5 x 1.5 x 3.0 mm Ring Grooves
  • Set of 8

    Racetec 1000549 Autotec Flat Top 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 mm, 1.5 mm, 3.0 mm rings
    • 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 groove are included at no extra charge
    • Diamond turned skirts

    Racetec 1000549 Autotec Flat Top Piston Set Specs:

    • Engine Family: Small Block Chrysler
    • Displacement reference: 365 cu. in. (6.0L)
    • Bore: 4.030 in.
    • Stroke: 3.580 in.
    • Rod Length: 6.123 in.
    • Compression Height: 1.667 in.
    • Crown Volume: -5 cc
    • Piston Style: Flat Top w/2 Valve Reliefs
    • Alloy: 4032
    • Wrist Pin Diameter: 0.984 in.
    • Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil

    Racetec 1000549 Autotec Flat Top Piston Set Notes:

    • Requires RaceTec AT 4030 Ring Set or Equivalent (Sold Separately)
    • Compression Ratios:
      • 11.3 @ w/60 cc Heads
      • 10.6 @ w/65 cc Heads
      • 10.1 @ w/70 cc Heads

      • RaceTec AutoTec Series Pistons for Chrysler Applications – Precision 4032 Alloy Performance at an Unmatched Value

      RaceTec AutoTec Series Pistons for Chrysler applications deliver high-quality, precision-manufactured forged pistons designed for builders who demand performance, durability, and affordability. Crafted from 4032 high-silicone aluminum alloy, these pistons offer excellent wear resistance, low expansion rates, and reduced friction, featuring diamond-turned ring grooves and skirts made on the same advanced equipment as RaceTec’s premium line. Engineered for muscle car restorations, performance street rods, and spec racing classes, AutoTec pistons handle mild nitrous, small turbo, or supercharged applications, with proven results exceeding 850+ horsepower in small block builds. Choose RaceTec AutoTec Series Pistons for those seeking a trusted, high-value performance solution.

    Part TypePiston
    Product LineRaceTec AutoTec Series Pistons for Chrysler
    BrandRACETEC PISTONS
    Package Height6.0
    Package Width12.0
    Package Length12.0
    Weight12.0 PG
    Part CategoryPerformance Parts
    Pin Lock Rings IncludedYes
    Compression Height (In)1.667
    Bore (In)4.03
    Wrist Pin StylePress or Full Floating
    QuantitySet of 8
    Piston Head Volume-5.0cc
    Engine Make/SizeMopar Small Block
    Piston StyleFlat Top
    Compression Ratio60cc-11.3, 65cc-10.6, 70cc-10.1
    Ring Thickness1.5 x 1.5 x 3.0 mm
    Piston MaterialForged 4032
    Pin Diameter (In)0.984
    Part FitmentSemi Universal
    Wrist Pin IncludedYes
    Snap Rings IncludedYes
    Vendor Part Number1000549
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning