29 April 2016 by Jeremy Evrist Comments are closed 1-HEAVY DUTY THROTTLE RETURN SPRING View cart “1-PORT NOZZLE KIT, FUNNY CAR” has been added to your cart. $19.40 call for current price 1-HEAVY DUTY THROTTLE RETURN SPRING quantity Add to cart SKU: FI0TRS Categories: Fuel Systems, Other Related products 1-NITRO BARREL VALVE ASSY. $331.26 Add to cart 1-SAE. IN-LINE #8 FUEL FILTER $79.80 Add to cart 1-PORT HOSE $14.61 Add to cart 1-HI-SPEED CHECK VALVE, #8 $55.53 Add to cart