Click on image to zoom

ICT Billet 551939 - USA 12.9 LT LSA Transmission Flywheel Bolts Set Flexplate Kit Crankshaft LT1

LT and LSA Flexplate/Flywheel Bolts Set

Compatible with: GM LT series (Gen V) and LSA engines with 8 bolt crankshafts (manual and automatic transmission)
M11-1.5 thread, 23.5mm length (OEM length, measured underneath head)
Package Includes: 8 bolts
12.9 high strength bolts (factory bolts are 10.9 rated)
Custom made bolts for ICT Billet in the USA!

*LS1, LS2, LS3, LS6, and LS7 engines use 6 bolt Crankshafts (part number 551926)
*LS9 engines require 9 bolt Crankshafts

Also compatible with RPO codes: LT1, LT4, LT5, L83, L84, L86, L87, LV3
Pricing: $24.99

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm -


  • 551939
  • 551939
  • 657814753327
  • ICT Billet
  • New

Shipping Information

  • Item Requires Shipping
  • 0.6 lbs.
  • W3.0000” x H3.0000” x L1.0000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.

  • Have a question? Ask the Pros
  • 1-800-456-0211Mon-Fri - 8am-6pm CST
    Sat-Sun - Closed
  • Shop With Confidence We Proudly Accept: