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12557840 Engine Harmonic Balancer Bolt for GM Performance Parts, for Most of Gen 3 and Gen 4 LS Engines Crank Bolt, Replaces # 917-139 - 1 Pack

KWD 4.500
Brand
AGUNION
– 1 +

Special Features

  • Compatiblility: 917-139 harmonic balancer crank bolt for GM engines (4.8L, 5.3L, 5.3L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, L59, L92, L96, L99, LH8,LMG, LMF, LM7, LR4, LMG, LQ4, LQ9, LY5), except LS7/LS9/LT4/LT5.
  • Material: LS harmonic balancer bolt made of high-strength steel with precision-engineered threads. Withstands high torque and vibration. Not easy to break or deform.
  • Size: Head style is a hex head. 4.55" L x 1.65" W x 0.42" Thread diameter.
  • Function: If the balancer bolt slips or becomes loose due to wear and tear at high RPMs, replace it with a new one to prevent damage to the LS engine crankshaft .
  • Matched: Specifically designed for most Gen III and Gen IV LS engines. It is a reliable alternative to original LS crank bolts.

Description

LS Harmonic Balancer Bolt GM Performance Parts 12557840 for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 LMF LMG LY5 LM7 LR4 LMG LO4 LO9 4.8L 5.3L 5.7L 6.0L 6.2L Engines.
Made of high-strength steel with precision-engineered threads.

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