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6pc Transmission Flywheel Flexplate Bolts For GM LS Engines LS1 LS2 LS3 4.8 5.3 6.0, High Strength, Zinc coated

Free shipping on orders over $29.99

$12.99

$ 6 .99 $6.99

In Stock
  • High Strength Grade 12.9 metric flange bolts to assure that your engine's flywheel is well-secured and operating at peak performance.
  • Fits all GM LS1, LS2, LS3, LS6, and LS7 series engines (and many more) with 6 bolt Crankshafts (manual and automatic transmission) M11-1.5 thread, 23.5mm length (OEM length, measured underneath head)
  • Manufacturer Part Number: 19257940, 330-2802, 551926, 11569956
  • Flywheel bolt kits are manufactured from solid metal and heat treated for longer life before thread rolling and machining.
  • If you have any questions about the product, please feel free to contact us, we will give you a satisfactory reply within 24 hours!



Product Description

5.3 flywheel bolts
ls flexplate bolts

LIZIXNY 6PCS TRANSMISSION FLYWHEEL FLEXPLATE BOLTS

The 6pc Transmission Flywheel Flexplate Bolts for GM LS Engines (LS1, LS2, LS3, 4.8L, 5.3L, 6.0L) are high-strength, zinc-coated fasteners designed for secure torque converter-to-flexplate attachment.

SPECIFICATIONS

Condition: 100% Brand New And High Quality

Type: Flywheel Bolts

Thread Size: M11-1.5 (metric).

Transmission Type: Manual

Coating: Zinc-plated for corrosion resistance.

Length: 23.5mm (OEM-spec, measured under the head).

Quantity: Includes 6 bolts (standard number for LS flexplates).

Material: High-strength Grade 12.9 steel (heat-treated for durability).

OEM/OE Part Numbers:19257940 330-2802 551926 11569956

5.3 flywheel bolts

COMPATIBILITY

Fits GM LS engines (LS1, LS2, LS3, LS6) and truck variants (4.8L, 5.3L, 6.0L).with 6-bolt crankshafts (manual or automatic transmissions).

ls flexplate bolts

COMMON APPLICATIONS

✔ Performance builds, Engine/transmission rebuilds, Replacing worn or damaged flexplate bolts

✔ LS1 (Camaro/Firebird/Corvette)

✔ LS2/LS3/LS6/LS7 (Corvette, GTO, CTS-V, etc.)

✔ Gen III/IV truck engines (4.8L, 5.3L, 6.0L in Silverado, Tahoe, etc.)

KEY FEATURES

✔ Direct OEM replacement – Matches factory bolt dimensions.

✔ High torque capacity – Grade 12.9 ensures secure clamping force.

✔ Durable construction – Heat-treated and thread-rolled for strength.

✔ Compatible with both manual & automatic transmissions (flywheel or flexplate applications).

5.3 flywheel bolts
ls flexplate bolts

INSTALLATION TIPS

  • Clean threads on crankshaft and bolts before installation.
  • Apply medium-strength thread locker (like Loctite Blue) for security.
  • Torque in a star pattern to ensure even clamping force.
  • Check flexplate alignment to prevent imbalance.
ls flexplate bolts

ADDITIONAL TIPS

✔ Check for proper thread engagement – Bolts should thread in smoothly by hand.

✔ Avoid oil/grease on threads – Can cause false torque readings.

✔ Use a torque-angle gauge (if specified) – Some builds require a torque + angle method.

ls flexplate bolts

SOLUTION

If you run into issues (e.g., bolts not seating, strange noises after install), double-check:

✔ Thread cleanliness (no debris).

✔ Correct bolt length (23.5mm under head).

✔ Proper flywheel/flexplate alignment.

ls flexplate bolts

BUYING TIPS

If you're installing a flywheel (manual trans) or flexplate (automatic trans), Lizixny these bolts should provide a secure, long-lasting fit.

For any installation questions, checking thread engagement, or torque specs, feel free to ask! We'll solve it for you.


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