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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
LS3 or any LS-based 4
M6049 C302
No-drill installation
Will not fit Chevrolet Bowtie or LT1 heads
Their modular design helps to facilitate the tuning chores and all the popular Holley tuning kits are available to custom-tune the carburetor to your engine
Quick Fuel Throttle Return Spring Kit - QFX Carbs Cylinder Head Innovations LS3 or any LS-based 4Throttle Return Spring Kit For QFX Made from laser cut stainless steel to virtually eliminate flex. Positively locates itself on the main body of 4700(R) QFX(R) carburetors. Comes with brass bushings and stainless hardware for easy installation Quick Fuel Technology Throttle Return Spring Kit QFX Carbs 49 2 Hardware Throttle Return Springs Product Description: Throttle Return Spring Kit Carb Mount Dual Springs Steel Zinc Oxide Quick Fuel QFX