Accessories

NOS is making available replacement siphon tubes for its most popular nitrous bottles. We offer the siphon tubes for 5 lb all the way up to 20 lb bottles. These 3/8" I.D. tubes are made from 6061 aluminum and can be used on any NOS Hi-Flo or Super Hi-Flo bottle valve. This screw-on siphon tube can be used as an upgrade for an older style compression fitting tube.Features:Made From 6061 AluminumTub..

NOS is proud to release its new billet microswitch bracket kit designed specifically for Holley's Gen 3 Dominator carburetors. This great looking black anodized aluminum bracket features a laser engraved NOS logo. The billet design will not flex or bend allowing consistent nitrous activation every time. Kit includes bracket and microswitch.Features:Fits Holley Gen 3 Dominator CarburetorsBlack ano..

These NOS blowdown hose kits are available with 90 or 180 degree bottle fittings and straight or 90 degree exit fitting offering you many fitment choices. Also included is a 36 inch length of stainless steel braided Speed-Seal hose and a choice of black Speed-Flex fittings. This type of hose kit is necessary when mounting a nitrous bottle inside the passenger compartment or trunk of a vehicle. It ..

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your EFI System. The secret to Earl's Vapor Guard hose is in its layers. The innermost Primary Barrier Layer offers high resistance to heat and aggressive fuel..

Holley EFI fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit. This highly accurate and feature packed unit is designed specifically for use with all EFI or carbureted systems and available in both black and white face versions. Features:Completely standalone with easy-to-read analog dial - Great for EFI or carbureted applicationsIncludes Bosch LSU 4.9 wideband O2 sensor which is compatible w..

..

..

..

..

..