{"product_id":"nissan-patrol-gq-gu-tb42-4-2l-cylinder-head-complete","title":"Nissan Patrol GQ GU TB42 4.2L Cylinder Head Complete","description":"\u003ch2\u003eComplete TB42 Cylinder Head — Ready to Install\u003c\/h2\u003e\n\u003cp\u003eBrand new complete TB42 cylinder head for Nissan Patrol GQ and GU with 4.2L 6-cylinder petrol engine. Supplied with valves, springs, retainers, seals, gasket set and head bolts fitted. Professionally assembled and pressure tested. A popular rebuild part for the iconic Patrol 4WD. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Nissan Patrol GQ, GU (1987–1997) — Engine code TB42, 4.2L 6-cylinder petrol. Also suits Ford Maverick with TB42 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #c8a96e;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e\u003c\/span\u003e The TB42 is an OHV pushrod engine — the camshaft and rocker gear are located in the engine block, not the cylinder head. This complete head includes valves, springs, retainers and seals only. No camshaft or rockers are required with this head.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand new complete cylinder head assembly\u003c\/li\u003e\n\u003cli\u003eValves, springs, retainers \u0026amp; seals fitted\u003c\/li\u003e\n\u003cli\u003eHead gasket set\u003c\/li\u003e\n\u003cli\u003eTorque-to-yield (TTY) stretch bolts (single-use)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff6b00;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eFree Delivery:\u003c\/strong\u003e Available to most Australian addresses — Perth pickup also available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Code:\u003c\/strong\u003e TB42 — 4.2L 6-cylinder petrol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve configuration:\u003c\/strong\u003e 12-valve OHV (pushrod)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt type:\u003c\/strong\u003e Torque-to-yield (TTY) stretch bolts (single-use)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality:\u003c\/strong\u003e Premium aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff6b00;\"\u003e✓\u003c\/span\u003e \u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eGuide only — please contact us if you are unsure.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1987–1997: Nissan Patrol GQ with 4.2L 6-cylinder petrol, engine code TB42\u003c\/li\u003e\n\u003cli\u003e1987–1997: Nissan Patrol GU with 4.2L 6-cylinder petrol, engine code TB42\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder online or by phone. Pickup available in Perth (Midland) or fast dispatch from Melbourne.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is there no camshaft listed in What's Included?\u003c\/strong\u003e\u003cbr\u003eThe TB42 is an OHV (overhead valve) pushrod engine. Unlike modern SOHC or DOHC engines, the camshaft sits in the engine block — not in the cylinder head. Your original camshaft and rocker gear remain in the block and are not affected by a head replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose a complete assembled head over a bare casting?\u003c\/strong\u003e\u003cbr\u003eArrives fully assembled and pressure tested — valves seated and seals fitted. No machine shop required, saving significant time and labour cost.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eRelated products: \u003ca href=\"\/products\/nissan-patrol-tb42-cylinder-head-assembled\" title=\"TB42 Cylinder Head Assembled\"\u003eTB42 Cylinder Head Assembled\u003c\/a\u003e | \u003ca href=\"\/products\/nissan-patrol-tb42-4-2l-head-gasket-set-with-bolts\" title=\"TB42 Head Gasket Set with Bolts\"\u003eTB42 Head Gasket Set with Bolts\u003c\/a\u003e | Browse all \u003ca href=\"\/collections\/nissan-patrol-tb42-parts\" title=\"Nissan TB42 Parts\"\u003eNissan TB42 Parts\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Cylinder Head Supply","offers":[{"title":"Default Title","offer_id":46364283207903,"sku":"AKCHTB42N-ETP","price":1490.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/9317\/2703\/files\/Assembled_Cylinder_Head_Kit_Nissan_Patrol_TB42_-_Cylinder_Head_Supply_Midland_1.jpg?v=1772231445","url":"https:\/\/cylinderheadsupplyaus.com\/products\/nissan-patrol-gq-gu-tb42-4-2l-cylinder-head-complete","provider":"Cylinder Head Supply Midland","version":"1.0","type":"link"}