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Part Number:
RTT-1001143

Race Tec Pistons 1001143 Forged 18° Dome 4.135 Bore, SB Chevy 403

Race Tec Pistons, SBC 403, Bore 4.135, Stroke 3.750, Rod Length 6.000, Dome 4.0cc, Set of 8 Pistons

$1,097.00
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This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.
Race Tec pistons are manufactured on 2618 material forgings that will accept mild blown or nitrous applications. CNC precision used in every manufacturing operation. Valve pockets machined for oversized valves and high lift cams. Race Tec pistons have CNC Machined ring grooves that accept 1.5, 1.5, 3mm rings (Rings Sold Separately). Top ring land gas distribution grooves to enhance performance and improve ring seal. Diamond tooling used throughout production including ring grooves and skirts.

Compression Ratio:
  • 52cc 15.4:1
  • 55cc 14.7:1
  • 58cc 14.1:1
    Note: Check rod small end dimensions before ordering. Includes oil rail supports.
  • More Information
    CNC Part Number RTT-1001143
    Price $1,097.00
    Manufacturer's Part Number 1001143
    Brands RaceTec
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy SB
    Bore Size 4.135
    Crankshaft Stroke 3.750
    Rod Length 6.000
    Piston Type Dome
    Compression Height 1.125
    Piston Material 2618 Forged
    Piston Ring Size 1.5 1.5 3.0mm
    Wrist Pin Size 0.927

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