{"product_id":"holinger-engineering-porsche-cayman-gt4-g81-3rd-6th-gear-set-helical-synchromesh","title":"Holinger Engineering Porsche Cayman GT4 (G81) 3rd-6th Gear Set Helical Synchromesh","description":"\u003cp\u003eShop the Holinger Engineering Porsche Cayman GT4 (G81) 3rd-6th Gear Set Helical Synchromesh from Holinger Engineering. This engine parts product is sourced from Autotech Sport Tuning for performance and replacement applications.\u003c\/p\u003e\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cdiv\u003ePorsche Cayman GT4 (G81)\u003cbr\u003e\nHigh Performance Gear Solutions for Cayman GT4 synchromesh transmission\u003cbr\u003e\nDESCRIPTION\u003cbr\u003e\nHolinger’s new gearset for the 981 GT4 is specially developed for the ambitious track day driver.\u003cbr\u003e\nThe optimized ratios keep the engine in the powerband by reducing the rpm drop between shifts and improve the top speeds to suit track conditions.\u003cbr\u003e\n\u003cbr\u003e\nHolinger PG81 Gearset Features:\u003cbr\u003e\n\u003cbr\u003e\nRatios optimized for fast road, track day, and racing use.\u003cbr\u003e\nReinforced gears are made from superior VAR nickel alloy with strength-focused tooth profiles.\u003cbr\u003e\nNew gears are direct replacements and require no gearbox modifications.\u003cbr\u003e\nSynchro dog-rings are splined to the gear - this prevents ring-detachment failure that has been known to occur in standard GT4 gearboxes (see close-up image below).\u003cbr\u003e\nAll gear teeth are profile-ground after heat treatment, ensuring the most accurate engagement and tooth finish - resulting in quiet, more efficient running.\u003cbr\u003e\nComparison Chart with speeds in gears 1-6:\u003cbr\u003e\n\u003cbr\u003e\nStock:      \u003cbr\u003e\n\u003cbr\u003e\n  \t PINION\t GEAR\tTOTAL\u003cbr\u003e\nTEETH\tGEARBOX\u003cbr\u003e\nRATIO\tDROP\u003cbr\u003e\nrpm\tSPEED\u003cbr\u003e\nM.P.H.\u003cbr\u003e\n1ST\t13\t43\t56\t3.308\t \t48.63\u003cbr\u003e\n2ND\t20\t39\t59\t1.950\t3202\t82.49\u003cbr\u003e\n3RD\t26\t38\t64\t1.462\t1954\t110.06\u003cbr\u003e\n4TH\t30\t34\t64\t1.133\t1752\t141.93\u003cbr\u003e\n5TH\t40\t38\t78\t0.950\t1262\t169.32\u003cbr\u003e\n6TH\t44\t37\t81\t0.841\t896\t191.29\u003cbr\u003e\n \u003cbr\u003e\n\u003cbr\u003e\nHolinger Close Ratio:\u003cbr\u003e\n\u003cbr\u003e\n  \t PINION\t GEAR\tTOTAL\u003cbr\u003e\nTEETH\tGEARBOX\u003cbr\u003e\nRATIO\tDROP\u003cbr\u003e\nrpm\t SPEED\u003cbr\u003e\nM.P.H.\u003cbr\u003e\n1ST\t13\t43\t56\t3.308\t \t48.63\u003cbr\u003e\n2ND\t20\t39\t59\t1.950\t3202\t82.49\u003cbr\u003e\n3RD\t22\t35\t57\t1.591\t1436\t101.11\u003cbr\u003e\n4TH\t25\t33\t58\t1.320\t1328\t121.86\u003cbr\u003e\n5TH\t27\t30\t57\t1.111\t1234\t144.77\u003cbr\u003e\n6TH\t30\t28\t58\t0.933\t1248\t172.35\u003c\/div\u003e\u003ch2\u003eVehicle and Product Categories\u003c\/h2\u003e\u003cp\u003eHolinger Engineering\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 40-310-PG81K1\u003c\/p\u003e\u003cp\u003e\u003cem\u003eVerify vehicle fitment and installation requirements before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"Holinger Engineering","offers":[{"title":"Default Title","offer_id":46242197307477,"sku":"40-310-PG81K1","price":5450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0947\/5040\/files\/F198644900.jpg?v=1790603695","url":"https:\/\/speedzone-web.com\/products\/holinger-engineering-porsche-cayman-gt4-g81-3rd-6th-gear-set-helical-synchromesh","provider":"Speedzone Performance LLC","version":"1.0","type":"link"}