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551307-047 LS Fuel Rail Spacer Kit for LS1 Injector on LS2 Intake
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ICT BILLETPART NUMBER: 335-551307-047

551307-047 LS Fuel Rail Spacer Kit for LS1 Injector on LS2 Intake

$2000
ShippingShips on 09/17/2026
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LS Fuel Rail Spacer Kit for LS1 Injector on LS2 Intake

ICT Billet 551307-047 Features:

LS Fuel Rail Spacer Kit for LS1 Injectors on LS2 Intake

Easily Adapt LS1-Length Injectors to Your LS2 Intake

This fuel rail spacer kit allows you to raise your fuel rails, making it possible to use LS1-length fuel injectors in an LS2 intake manifold. This is commonly needed when upgrading to aftermarket larger LS1 length injectors for improved performance and tuning flexibility. The precision-machined spacers lift the fuel rails approximately 11.94mm (0.47 in.) from the factory mounting height, ensuring a secure and proper fit. Made from aerospace-grade billet aluminum, these spacers provide durability and reliability for your LS engine build.

  • Allows the use of LS1-length injectors in an LS2 intake manifold
  • Raises fuel rail approximately 11.94mm (0.47 in.) from factory height
  • Ideal for upgrading to aftermarket larger LS1 length injectors
  • Made in Wichita, Kansas, from aerospace-grade, USA-produced billet aluminum
  • Includes 4 fuel rail spacers and 4 extended-length mounting bolts

Don't forget to pick up our ICT Billet fuel injector plug adapters to adapt your USCAR (LS2 style) injector connector to Jetronic (LS1 style) injectors. ICT # WAINJ41


Part TypeFuel Rail Spacer
BrandICT BILLET
Package Height1.0
Package Width3.0
Package Length5.0
Weight0.1 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number551307-047
Package Qty1
Package TypeEA
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