J360777



$2,448.60

inc. GST


SKU: J360777

BRAND: JE Pistons

LS3 Ultra Asymmetrical FSR Dish Top Forged Piston
4.065" bore, 4.000" stroke, 6.125" rod length, -14.9cc dome volume


In Stock
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We have redesigned and expanded our GM LS1 series product lines! These new pistons utilized our dedicated Forged Side Relief (FSR) forging that was specifically designed for high output GM LS1 series engines. In addition we have found ways to reduce weight and maintain the durability needed for both street and racing use. Lightweight and extremely durable, these pistons are machined for 1.5mm, 1.5mm, 3.0mm rings. Wrist pin upgrade recommended above 800hp.

Includes:

  • Pin #927-2250-15-51C (106g)
  • Round Wire Locks # 927-073-MW

Features:

  • Accumulator Grooves
  • Double Pin Oilers
  • Offset Wrist Pin

Piston Specifications

  • Make: CHEVROLET
  • Engine: CHEVROLET LS GEN III/IV
  • Bore Diameter: 4.065
  • Compression Height: 1.115
  • Compression Ratio with 64cc chamber volume: 10.4
  • Compression Ratio with 68cc chamber volume: 10.0
  • Compression Ratio with 70cc chamber volume: 9.8
  • Piston Volume: -14.9
  • Cylinder Head: LS 12 DEG/15 DEG COMBO VR
  • Piston Pin Outside Diameter: 0.927
  • Piston Pin Length: 2.250
  • Piston Pin Material: 9310
  • Ringset Included: No
  • Top Compression Ring Thickness: 0.0475
  • Second Compression Ring Thickness: 0.06
  • Oil Ring Thickness: 0.149
  • Piston Material: 2618
  • Forging Type: FSR
  • Piston Avg Weight: N/A
  • Pin Wall Thickness: 0.200
  • Piston Type: Dish

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