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12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait 12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine in Kuwait

12557840 LS Harmonic Balancer Bolt GM Performance Part, Suitable for Gen.3/Gen.4 LS LS1 LS2 LS3 LS6 L59 L92 L96 L99 LC9 LH8 4.8L 5.3L 5.7L 6.0L 6.2L LMF LMG LY5 LM7 LR4 LMG LQ4 LQ9 Engine

KWD 4.500
Brand
Yubunt
Weight
281 g
– 1 +

Special Features

  • Specification and size: 10.9 grade automotive bolt, M16 x 2 thread, lower head size of 4.05 inches, coated with anti-corrosion Dacromet coating
  • Wide compatibility: designed specifically for all 3rd and 4th generation LS engines, compatible with LS1、LS2、LS3、LS6、L59、L92、L96、L99、LC9、LH8、LMF、LMG、LY5、LM7、LR4、LQ4、LQ9（4.8L、5.3L、5.7L、6.0L、6.2L） Compatible. Excluding LS7 and LS9 models
  • Part numbers: 12557840 and 917-139, can achieve precise fit and optimal performance in General Motors harmonic balancer systems.
  • Bolt quality: It is a high-strength bolt with a strength of 10.9 level, made of high-quality metal and galvanized, with high strength and durability, anti-corrosion and anti rust properties, ensuring a tight connection between the engine starter and the engine without loosening
  • Easy to install: This product is simple to use and easy to operate. Its design is easy to install, so you can quickly and easily replace old installation kits.

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