Image is a representation of this item. Actual item may vary.
Part Number:
JE-312089

JE Pistons 312089 GM LS2 Asymmetrical FSR Dome 4.030 Bore

JE Pistons, Forged, LS2 370, Bore 4.030, Stroke 3.622, Rod Length 6.098, Dome +11.1cc, Set of 8

$1,016.99
View Similar Items
⚠ 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.
JE Pistons new GM LS Inverted dome Asymmetrical FSR (Forged Side Relief) forging design allows for the use of the most popular stroke and rod combinations while eliminating reluctor wheel clearance problems. Asymmetrical forging design maintains a larger skirt on the heavily stressed major thrust side, while reducing friction with a smaller skirt on the minor thrust side. The result is a high strength, lightweight piston that significantly reduces friction in your engine. Lightweight and extremely durable, JE pistons are machined for 1.2mm, 1.5mm, 3.0mm rings. Combination 12° & 15° Valve Pockets

Includes:
  • Accumulator Grooves
  • Double Pin Oilers
  • Offset Wrist Pin
  • Pin #945-2250-15-51C (105g
  • Round Wire Locks # 927-073-MW

    Compression Ratio:
  • 64cc 13.2:1
  • 68cc 12.5:1
  • 70cc 12.2:1
  • More Information
    CNC Part Number JE-312089
    Price $1,016.99
    Manufacturer's Part Number 312089
    Brands JE
    Part Types Engine Piston
    Departments Parts
    Vehicle Make Chevy LS
    Bore Size 4.030
    Crankshaft Stroke 3.622
    Rod Length 6.098
    Piston Type Dome
    Compression Height 1.340
    Piston Material 2618 Forged
    Piston Ring Size 1.2mm 1.5mm 3.0mm
    Wrist Pin Size 0.945
    Custom Notices ⚠ PROP 65 WARNING

    Upsell Products

    Other Customers Also Bought
    PART #: ARP-134-4311 134-4311
    134-4311 ARP Small Block Chevy Professional Series Cylinder Head Studs
    Special Price $309.22 Regular Price $337.95
    PART #: WIS-K0240A6 K0240A6 Wiseco Pistons Dome 10.5:1, 4.310 Bore, BB Chevy 454
    K0240A6 Wiseco Pistons Dome 10.5:1, 4.310 Bore, BB Chevy 454
    $1,150.99
    PART #: FRG-495109BL 495109BL Fragola -12AN x -12ORB RADIUS FITTING - Black
    495109BL Fragola -12AN x -12ORB RADIUS FITTING - Black
    $20.82
    PART #: HOW-411133-08 Howards Camshaft 411133-08 Mechanical Roller Pontiac V8
    Howards Camshaft 411133-08 Mechanical Roller Pontiac V8
    $564.95
    PART #: CAR-SCR5267 5267 Carrillo Pro-H Beam Connecting Rods - Cosworth/ Ford/ Lotus, 5.230"
    SCR5267 Carrillo Pro-H Beam Connecting Rods - Cosworth/ Ford/ Lotus, 5.230"
    Special Price $1,169.07 Regular Price $1,230.60
    PART #: MAN-12337-8 SBC Manley Severe Duty Exhaust Valves 1.600 12337-8
    SBC Manley Severe Duty Exhaust Valves 1.600 12337-8
    $301.07
    PART #: HOW-110275-10 Howards Camshaft 110275-10 Retro Fit Hydraulic Roller SBC 1955-1998
    Howards Camshaft 110275-10 Retro Fit Hydraulic Roller SBC 1955-1998
    $391.95