{"product_id":"wilwood-proportioning-valve-knob-adjust","title":"Wilwood Proportioning Valve - Knob Adjust","description":"\u003cp\u003eThe new generation of adjustable proportioning valves combines the latest refinements to deliver precise pressure metering and strength from a compact forged billet design.  Pressure adjustments range from 100-1000 PSI and provide for a maximum decrease of 57% in line pressure, the most of any available valve. Adjuster knob with fine thread tuning provides precise pressure adjustment.  Valves weigh only 5.2 ounces and have two .25a*? side mounting holes spaced 1.00a*? apart. Inlet \/ outlet ports are 1\/8-27 NPT and valves are supplied with two 1\/8-27 NPT to 3\/8-24 inverted flare female fittings that will fit most domestic 3\/16th hard brake lines.\u003c\/p\u003e\n\n\u003cp\u003eAir Freight Prohibited: false\n\u003cbr\u003eNot Carb Approved: false\n\u003cbr\u003eLtl Freight Required: false\n\u003cbr\u003eProp 65: Unknown\n\u003cbr\u003ePart Type: automotive\n\u003cbr\u003eEpa: N\/A\n\u003cbr\u003eCarb Acknowledgement Required: false\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":50223249588544,"sku":"136530","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/8585\/9904\/files\/634b760bdf920d4d02d88ab40e52cfd4.jpg?v=1738291839","url":"https:\/\/spikesspeed.us\/products\/wilwood-proportioning-valve-knob-adjust","provider":"Spikes Speed Shop Inc","version":"1.0","type":"link"}