{"product_id":"honda-k20a-complete-built-wossner-bottom-end","title":"Honda K20 Complete High Compression Forged Bottom End Short Block","description":"\u003ch2 data-path-to-node=\"0\"\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"0\"\u003eBourne HPP Honda K20 High-Compression Forged Short Block\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"1\"\u003eBuild your engine on a foundation of motorsport excellence. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"64\"\u003eBourne HPP K20 Short Block\u003c\/b\u003e is a professional-grade, high-compression rotating assembly designed for those who demand uncompromising reliability and peak performance.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eBy marrying genuine Honda precision with world-class \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca href=\"https:\/\/bournehpp.com\/collections\/wossner-pistons\" title=\"Bourne HPP Wossner Collection\" style=\"color: rgb(255, 42, 0);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"53\"\u003eWössner\u003c\/b\u003e\u003c\/a\u003e\u003c\/span\u003e forged internals, we have created a bottom end capable of dominating the track while maintaining the refined harmonics the K-Series is famous for.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eThe Internal Powerhouse\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/wossner-rsx-type-s-civic-type-r-k20-high-comp-forged-piston-kit\" title=\"Wossner Pistons\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eWössner High-Compression Forged Pistons\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003e:\u003c\/b\u003e Specifically engineered for the K20A2\/Z4 platforms, these pistons are the choice of Europe’s leading engine builders.\u003c\/p\u003e\n\u003cul data-path-to-node=\"5,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,1,0,0\"\u003e\u003cb data-path-to-node=\"5,0,1,0,0\" data-index-in-node=\"0\"\u003eLow-Friction Technology:\u003c\/b\u003e Coated with Wössner’s unique Moly-based skirt lubricant to reduce drag and allow for tighter tolerances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,1,1,0\"\u003e\u003cb data-path-to-node=\"5,0,1,1,0\" data-index-in-node=\"0\"\u003eAdvanced Metallurgy:\u003c\/b\u003e Forged from 4032 T6 alloy, which minimizes thermal expansion and eliminates the \"piston slap\" common in lesser forged components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,1,2,0\"\u003e\u003cb data-path-to-node=\"5,0,1,2,0\" data-index-in-node=\"0\"\u003eOptimized Crowns:\u003c\/b\u003e Polished to improve flame travel and resist carbon buildup and detonation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eBourne HPP Spec \u003ca href=\"https:\/\/bournehpp.com\/products\/bourne-con-rods-k20\" title=\"Bourne Wossner K20 Con rods\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eWössner Connecting Rods\u003c\/span\u003e\u003c\/a\u003e:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003eCrafted from high-tensile 4340 forged steel, these H-Beam rods provide a massive increase in strength over OEM units without any weight penalty.\u003c\/p\u003e\n\u003cul data-path-to-node=\"5,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,1,0,0\"\u003e\u003cb data-path-to-node=\"5,1,1,0,0\" data-index-in-node=\"0\"\u003eMaximum Security:\u003c\/b\u003e Equipped with ARP 2000 bolts as standard to ensure rod-bolt integrity at extreme RPM.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,1,1,0\"\u003e\u003cb data-path-to-node=\"5,1,1,1,0\" data-index-in-node=\"0\"\u003eShot-Peened:\u003c\/b\u003e Stress-relieved for maximum fatigue life during endurance racing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eMaster-Class Preparation\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eAt Bourne HPP, every block undergoes a rigorous preparation phase before a single bolt is turned.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003ePristine Block Prep:\u003c\/b\u003e We use a Genuine Honda K20 block that is blasted, de-burred, and meticulously checked for casting integrity and perfect bore geometry. To ensure a perfect ring seal and head gasket mating surface, every block is precision bored, honed to specific tolerances, and skimmed for absolute flatness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eThe \"Balanced\" Crank:\u003c\/b\u003e We utilise a \u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/genuine-honda-crankshaft-k-series-k20a-k20z\" title=\"Genuine Honda Crankshaft\" style=\"color: rgb(255, 42, 0);\" rel=\"noopener\" target=\"_blank\"\u003eGenuine Honda Crankshaft\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e that is precision balanced to ensure smooth power delivery all the way to a 9,000+ RPM redline. We also offer the service to use a customer supplied crankshaft which we will check, clean up and balance if required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eBespoke Bearing Fitment:\u003c\/b\u003e Every build utilses Brand New Genuine Honda main \u003cstrong\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/genuine-honda-k-series-k20a-k20z-bearing-main-daido-block-upper\" title=\"Genuine Honda Upper Bearings\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eUpper\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e, \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/genuine-honda-k-series-k20a-k20z-bearing-main-daido-cradle-lower\" title=\"Genuine Honda Lower Bearings\" style=\"color: rgb(255, 42, 0);\" rel=\"noopener\" target=\"_blank\"\u003eLower\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e and \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/genuine-honda-k-series-k20a-k20z-bearing-daido-connecting-rod\" title=\"Honda Con Rod Bearings\" style=\"color: rgb(255, 42, 0);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003erod bearings\u003c\/strong\u003e\u003c\/a\u003e\u003c\/span\u003e, individually measured and matched to the specific journals of your crankshaft for perfect oil film clearances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eTotal Reliability:\u003c\/b\u003e We include brand-new Genuine Honda \u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/genuine-honda-engine-oil-jets-squirter-k-series-k20\" title=\"Genuine Honda Squirter Jets\" style=\"color: rgb(255, 42, 0);\" rel=\"noopener\" target=\"_blank\"\u003eSquirter Jets\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e, \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/genuine-honda-engine-oil-jet-squirter-bolt-k-series-k20a-k20z\" title=\"Squirter Jet Bolts\" style=\"color: rgb(255, 42, 0);\" rel=\"noopener\" target=\"_blank\"\u003eBolts\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e, and \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/bournehpp.com\/products\/genuine-honda-k-series-k20a-k20z-washer-thrust-taiho\" title=\"Genuine Honda Thrust Washers\" style=\"color: rgb(255, 42, 0);\" rel=\"noopener\" target=\"_blank\"\u003eThrust Washers\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e to ensure your forged pistons stay cool and your crank stays centered under heavy lateral G-loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"12\" style=\"width: 100.036%; height: 137.2px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2415%; height: 19.6px;\"\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.2986%; height: 19.6px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2415%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eEngine Block\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.2986%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eGenuine Honda K20 (Blasted, De-burred, Rebored and Honed)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2415%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003ePistons\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.2986%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003eWössner Forged High Comp (4032 T6 Alloy \/ Moly Coated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2415%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eConnecting Rods\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.2986%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eWössner H-Beam with ARP 2000 Bolts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2415%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eCrankshaft\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.2986%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003eNew Genuine Honda OEM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2415%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,5,0,0\"\u003e\u003cb data-path-to-node=\"12,5,0,0\" data-index-in-node=\"0\"\u003eBearings\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.2986%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,5,1,0\"\u003eGenuine Honda (Measured and fit for perfect clearences)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.2415%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,6,0,0\"\u003e\u003cb data-path-to-node=\"12,6,0,0\" data-index-in-node=\"0\"\u003eHardware\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.2986%; height: 19.6px;\"\u003e\u003cspan data-path-to-node=\"12,6,1,0\"\u003eNew OEM Honda Squirters \u0026amp; Thrust Washers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-path-to-node=\"14,0\"\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"14,0\"\u003e\u003cb data-path-to-node=\"14,0\" data-index-in-node=\"0\"\u003eThe Bourne HPP Advantage:\u003c\/b\u003e This is a \"drop-in\" high-compression solution for serious K-Series enthusiasts. Whether you are aiming for a high-response 280+ bhp N\/A build or a high-revving street beast, this bottom end offers the peace of mind that only professional motorsport assembly can provide.\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cb data-path-to-node=\"15\" data-index-in-node=\"0\"\u003eReady for your choice of cylinder head. Engineered to win.\u003c\/b\u003e\u003c\/p\u003e","brand":"Bourne HPP","offers":[{"title":"Brand New Genuine Honda \/ Bourne HPP Refurbished Cylinder Block","offer_id":56960308380023,"sku":"BHP-K20WBE-1","price":5854.18,"currency_code":"GBP","in_stock":true},{"title":"Brand New Genuine Honda \/ Customer Supplied Cylinder Block","offer_id":56960308412791,"sku":"BHP-K20WBE-2","price":4504.18,"currency_code":"GBP","in_stock":true},{"title":"Customer Supplied Crankshaft \/ Bourne HPP Refurbished Cylinder Block","offer_id":56960308511095,"sku":"BHP-K20WBE-5","price":4204.18,"currency_code":"GBP","in_stock":true},{"title":"Customer Supplied Crankshaft \/ Customer Supplied Cylinder Block","offer_id":56960308543863,"sku":"BHP-K20WBE-6","price":2754.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/5592\/4087\/files\/Bourne_HPP_Honda_K20_Forged_Cylinder_Block_Assembled_1.png?v=1775058774","url":"https:\/\/bournehpp.com\/products\/honda-k20a-complete-built-wossner-bottom-end","provider":"Bourne HPP LTD","version":"1.0","type":"link"}