{"product_id":"diamond-special-order-nissan-gt-r-r35-vr38dett-94-40-mm-stroke-6-500-in-rod-1-230-in-ch","title":"Diamond Special Order Nissan GT-R R35 VR38DETT Forged Pistons — 94.40 mm Stroke \/ 6.500 in Rod","description":"\u003cdiv class=\"bbt-diamond-advert\" style=\"line-height:1.65;\"\u003e\n\u003cdiv style=\"border-left:4px solid #0f536b;padding:4px 0 4px 18px;margin-bottom:22px;\"\u003e\n\u003cp style=\"font-size:0.8em;letter-spacing:0.12em;color:#52616d;margin:0 0 8px;\"\u003eDIAMOND PISTONS · SPECIAL ORDER\u003c\/p\u003e\n\u003ch2 style=\"margin:0 0 12px;\"\u003eNissan GT-R R35 VR38DETT forged piston kit\u003c\/h2\u003e\n\u003cp\u003eA Diamond six-piston kit for a VR38DETT assembly built around a 94.40 mm stroke and 6.500 in connecting rods. The catalogue lists two supplier grades at the same 95.50 mm bore, crown volume and nominal compression ratio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade to order.\u003c\/strong\u003e Allow approximately \u003cstrong\u003e5–6 weeks for delivery\u003c\/strong\u003e, pending Australian customs processing time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePrecision in the details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2618 forged aluminium with a full-round forging profile.\u003c\/li\u003e\n\u003cli\u003eOil-ring-fed pin lubrication and fitted gudgeon pins.\u003c\/li\u003e\n\u003cli\u003eMoly-coated skirts.\u003c\/li\u003e\n\u003cli\u003e3D-machined crown and valve-pocket profiles.\u003c\/li\u003e\n\u003cli\u003eThe specified ring set, pins and retainers are included in the kit price.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoose your specification\u003c\/h3\u003e\n\u003cp\u003eSelect supplier Grade 1 (81007-6) or Grade 2 (81008-6). Both published kits specify a 95.50 mm finished bore, -0.86 cc crown, 9.50:1 nominal ratio and included H9052500200C pins. Diamond does not publish the grade-specific dimensional difference or running clearance on these pages. Confirm the required grade with BBT and your engine builder before ordering.\u003c\/p\u003e\n\u003ch3\u003eBuild dimensions\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.9em;\"\u003e\n\u003cthead style=\"background:#f3f5f7;text-align:left;\"\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eDimension\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003ePublished specification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003ePiston quantity\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eCrank stroke\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e94.40 MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eConnecting-rod length\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e6.500 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eCompression height\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e1.230 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eForging profile\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eFull Round\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdetails class=\"bbt-diamond-engineering\" style=\"margin:20px 0;\"\u003e\u003csummary style=\"font-weight:700;color:#0f536b;cursor:pointer;\"\u003eEngineering reference: rings, pins and valve pockets\u003c\/summary\u003e\u003cp\u003eRing sizes are listed as top \/ second \/ oil ring. Verify pin dimensions against the connecting-rod small end. Valve-pocket depths are catalogue dimensions; check piston-to-valve clearance with the actual cylinder heads, camshafts and cam timing.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.9em;\"\u003e\n\u003cthead style=\"background:#f3f5f7;text-align:left;\"\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eKit SKU\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eRing package\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003ePin diameter\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003ePin length\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eValve-pocket depth: intake \/ exhaust\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e81007-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e1.20 mm \/ 1.50 mm \/ 3.00 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e0.905 in\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e2.500 in\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e0.071 in \/ 0.071 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e81008-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e1.20 mm \/ 1.50 mm \/ 3.00 mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e0.905 in\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e2.500 in\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e0.071 in \/ 0.071 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\u003ch3\u003eFitment and engine preparation\u003c\/h3\u003e\n\u003cp\u003eFor a Nissan GT-R R35 VR38DETT custom build with the specified 94.40 mm crank stroke, 6.500 in rods and 1.230 in compression height. This combination requires the matching crankshaft and connecting rods. It is not the stock 88.40 mm stroke kit or the separate 98.40 mm stroke \/ 100.00 mm bore kit.\u003c\/p\u003e\n\u003cp\u003eCatalogue bores are finished cylinder-bore sizes. Nominal compression ratios depend on the measured chamber volume, deck clearance and compressed head-gasket thickness. Use the instructions supplied with your exact kit for piston-to-wall clearance, ring end gaps and pin fit; confirm all machining and assembly dimensions with your engine builder.\u003c\/p\u003e\n\u003cdetails style=\"border:1px solid #d9dee3;border-radius:4px;padding:14px 16px;margin:22px 0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:700;\"\u003eView kit part numbers and supplied components\u003c\/summary\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:0.9em;\"\u003e\n\u003cthead style=\"background:#f3f5f7;text-align:left;\"\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eKit SKU\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eBore\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eCrown volume\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eNominal ratio\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eIncluded pin\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eRing set\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eRetainer\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding:10px 12px;border-bottom:1px solid #d9dee3;\"\u003eOil-rail supports\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e81007-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e95.50 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e-0.86 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e9.50:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eH9052500200C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e09503760\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e015130-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e81008-6\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e95.50 MM\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e-0.86 CC\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e9.50:1 nominal\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eH9052500200C\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e09503760\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003e015130-12\u003c\/td\u003e\n\u003ctd style=\"padding:10px 12px;border-bottom:1px solid #e5e9ed;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdiv style=\"background:#f3f5f7;border-left:4px solid #0f536b;padding:14px 18px;margin:22px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 8px;\"\u003eMade to order · delivery\u003c\/h3\u003e\n\u003cp style=\"margin:0;\"\u003eAllow approximately \u003cstrong\u003e5–6 weeks for delivery, pending Australian customs processing time.\u003c\/strong\u003e Manufacturing schedules, international freight and customs clearance may extend this estimate. Contact BBT before ordering for a build with a fixed deadline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003ePlan your build with BBT\u003c\/h3\u003e\n\u003cp\u003eBuilt by Boost \u0026amp; Tune can help select the kit for your measured engine, fuel and intended use. Connecting rods, crankshafts, machining, engine assembly and tuning are purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/bbt-nav-universal-engine-parts\/bt-fit-route-nissan-gt-r-r35-vr38dett?bbt_vehicle=1\u0026amp;bbt_system=engine-parts\u0026amp;bbt_route=bt-fit-route-nissan-gt-r-r35-vr38dett\"\u003eBrowse Nissan GT-R R35 VR38DETT engine parts\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/diamond-special-order-nissan-gt-r-r35-vr38dett-88-40-mm-stroke-6-500-in-rod-1-350-in-ch\"\u003eView the separate 88.40 mm stroke piston kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/diamond-special-order-nissan-gt-r-r35-vr38dett-98-40-mm-stroke-6-500-in-rod-1-155-in-ch\"\u003eView the separate 98.40 mm stroke piston kit\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp style=\"font-size:0.85em;color:#596773;\"\u003eManufacturer photography shows a representative Diamond piston from this catalogue series. Crown shape, valve pockets, skirt finish and supplied components vary with the selected part number. The exact kit tables define the supplied specification.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Diamond Pistons","offers":[{"title":"Grade 1 — 81007-6 \/ -0.86 cc \/ 9.50:1 nominal \/ Included H9052500200C","offer_id":67626030989379,"sku":"81007-6","price":2637.0,"currency_code":"AUD","in_stock":true},{"title":"Grade 2 — 81008-6 \/ -0.86 cc \/ 9.50:1 nominal \/ Included H9052500200C","offer_id":67626031022147,"sku":"81008-6","price":2637.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/ad4690af45e800e1d141d8eefe9b60af.jpg?v=1791155580","url":"https:\/\/builtbyboostandtune.com.au\/products\/diamond-special-order-nissan-gt-r-r35-vr38dett-94-40-mm-stroke-6-500-in-rod-1-230-in-ch","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}