{"product_id":"bugpack-forged-flanged-crankshaft-chevy-journal-4340-nitrided-vw-type-1-b4-0002","title":"BUGPACK Forged Flanged Crankshaft | Air-Cooled VW Type 1 | 4340 Nitrided, Chevy Journal (B4-0002)","description":"\u003ch2\u003e\u003cb\u003eBUGPACK Forged Flanged Crankshaft — 4340 Nitrided, Chevy Journal\u003c\/b\u003e\u003c\/h2\u003e\u003cp\u003e\u003cb\u003eBUGPACK forged flanged crankshaft\u003c\/b\u003e for high-horsepower air-cooled VW engine builds — forged from \u003cb\u003e4340 chromoly steel\u003c\/b\u003e with nitrided Type-IV main journals and Chevy rod journals. The 6-bolt, 6-pin flange eliminates flywheel-to-crank movement that costs power and durability at high RPM. Select your stroke from the dropdown.\u003c\/p\u003e\u003cp\u003eCast cranks fail at high RPM and high load. A forged 4340 chromoly crank, properly nitrided and balanced, is the foundation for any engine making real power. The Chevy journal allows use of a far wider range of high-end aftermarket rods (Carrillo, Eagle, Manley, Scat, etc.) than the OEM VW journal sizes permit — cost-effective compared to building around custom VW-journal rods.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBeetle:\u003c\/b\u003e All years (Type 1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBus:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKarmann Ghia:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType 3:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThing:\u003c\/b\u003e All years\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eWhy Choose BUGPACK?\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eBUGPACK is EMPI's high-performance engine and chassis line for the air-cooled VW community. The forged crank program targets serious horsepower builds where stock or cast components won't survive.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-horsepower ready:\u003c\/b\u003e For air-cooled VW engine builds requiring a forged crank\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChevy rod journals:\u003c\/b\u003e Builds spec'd for 2.000\" small-block Chevy rods\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType-IV mains:\u003c\/b\u003e Type-IV main journal compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlange mounting:\u003c\/b\u003e Flange-style flywheel mounting (6-bolt, 6-pin)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 4340 chromoly forged\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMain Journals:\u003c\/b\u003e Nitrided, Type-IV\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRod Journals:\u003c\/b\u003e Chevy (2.000\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlywheel Flange:\u003c\/b\u003e 6-bolt, 6-pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStroke Options:\u003c\/b\u003e 78mm (B4-0002-5), 82mm (B4-0003-1), 84mm (B4-0002-6)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold As:\u003c\/b\u003e Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e ~24 lb (shipping)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWhat rod journal size does this crank use?\u003c\/b\u003e Chevy (2.000\" small-block Chevy) rod journals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat stroke options are available?\u003c\/b\u003e 78mm (B4-0002-5), 82mm (B4-0003-1), and 84mm (B4-0002-6, big-stroke option).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhy choose a forged crank?\u003c\/b\u003e Cast cranks fail at high RPM and high load; a forged 4340 chromoly crank, properly nitrided and balanced, is the foundation for a high-power build.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"\/collections\/engine\"\u003eEngine\u003c\/a\u003e \u003ca href=\"\/collections\/engine-parts\"\u003eEngine Parts\u003c\/a\u003e \u003ca href=\"\/collections\/all-vw-aircooled\"\u003eAll VW Air-Cooled\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution controlled vehicles only.\u003c\/em\u003e\u003c\/p\u003e","brand":"BUGPACK","offers":[{"title":"78mm (B4-0002-5)","offer_id":45061065048179,"sku":"B4-0002-5","price":1138.99,"currency_code":"USD","in_stock":true},{"title":"82mm (B4-0003-1)","offer_id":45061065080947,"sku":"B4-0003-1","price":883.99,"currency_code":"USD","in_stock":true},{"title":"84mm (B4-0002-6)","offer_id":45061065113715,"sku":"B4-0002-6","price":1112.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/B4-0002-5-FRONT-scaled_714b06dd-6d5c-451a-8378-2994e8264ab0.jpg?v=1780380036","url":"https:\/\/www.washburnsmetal.com\/products\/bugpack-forged-flanged-crankshaft-chevy-journal-4340-nitrided-vw-type-1-b4-0002","provider":"Washburn's Metal","version":"1.0","type":"link"}