4-12 PSI Fuelab Spring SKU 600-178 $14.95 Quantity discounts available QuantityPrice (0)No Reviews yet Quantity -+ Add to Cart Brief Description 4-12 PSI Fuelab Spring Details If higher pressure is desired in the 600-179 Fuelab Regulator for Carburetors, use this 4-12 psi Fuelab Spring instead of the 0-3psi spring that comes... Brief DescriptionDetails Back Brief Description4-12 PSI Fuelab Spring Back DetailsIf higher pressure is desired in the 600-179 Fuelab Regulator for Carburetors, use this 4-12 psi Fuelab Spring instead of the 0-3psi spring that comes with the regulator. Ratings & ReviewsNo reviews availableBe the first to Write a Review