Fuel Injector Clinic (FIC) injector sets. The set listed here is eight 1200cc high-impedance injectors (IS301-1200H) for LS1 engines with plug-and-play adapters; they drop into the factory location and are flow matched, for LS1 builds that need far more fuel than the stock injectors supply.

Why boosted and E85 engines need more fuel: what is E85? and how much horsepower does a supercharger add? LS1 kits: LS1 supercharger kits. Injector testing and sizing: fuel injector guide.

LS1 fuel injectors
• 1200cc (130 lbs/hr at OE 58 PSI fuel pressure) FIC Fuel Injector Clinic Injector Set for LS1 engines (High-Z) (is301-1200h) (With Plug and Play Adapters) — $1,077.00

Shipping is a flat $80.00 per order to US addresses, with 15-day free returns. Not sure which model fits? Ask a parts specialist.