{"product_id":"lzx-1968","title":"HS4 \u0026 HIF4 Piston \u0026 Suction Chamber Assembly | LZX 1968","description":"\u003cp\u003e\u003cstrong\u003eGenuine SU Piston \u0026amp; Suction Chamber Assembly for HS4 and HIF4 carburettors — Part Number: LZX 1968.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA complete piston and suction chamber assembly — the core of the SU variable choke carburettor. When the original suction chamber or piston is worn, cracked, or damaged, engine performance deteriorates significantly. This genuine replacement restores original carburettor function.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKeyway type: Front keyway\u003c\/li\u003e\n\u003cli\u003eMetering needle type: Bias metering needles\u003c\/li\u003e\n\u003cli\u003eDustproof type: Non-Dustproof (vented cap required)\u003c\/li\u003e\n\u003cli\u003eNeedle locking screw: AUC 2057\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFront keyway carburettor — uses bias metering needles. Compatible with both HS4 and HIF4.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e HS4 and HIF4 applications. MGB, MG Midget, Triumph Spitfire, Mini (later), Metro, Maestro, Montego.\u003c\/p\u003e\u003cp\u003eGenuine SU manufacture — made in the UK to original specification.\u003c\/p\u003e","brand":"SU Specialists","offers":[{"title":"Default Title","offer_id":57131906728316,"sku":"LZX 1968","price":374.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/1671\/2572\/files\/hs4-hif4-piston-suction-chamber-assembly.jpg?v=1783086746","url":"https:\/\/sucarburettors.com\/products\/lzx-1968","provider":"SU Specialists","version":"1.0","type":"link"}