{"title":"BIG BORE KITS","description":"","products":[{"product_id":"performance-intake","title":"Performance Intake","description":"\u003cp\u003eThe intake side center to center bolt holes are 49mm apart.\u003cbr\u003eThe air filter side is of the carburetor opening is 32mm.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"race head","offer_id":48225531298051,"sku":"4448A10","price":25.6,"currency_code":"USD","in_stock":true},{"title":"stock head","offer_id":48225531330819,"sku":"4448A9","price":25.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/298.jpg?v=1779642824"},{"product_id":"head-gaskets-47mm-and-52mm-for-lifan-engines","title":"Head gaskets 47mm and 52mm for Lifan Engines,","description":"\u003cp\u003e47mm or 52m head gasket kit\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"47mm 70cc","offer_id":48225531691267,"sku":"5403-V1","price":8.8,"currency_code":"USD","in_stock":true},{"title":"55mm 110-125cc","offer_id":48225531724035,"sku":"5403-V2","price":8.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/294.jpg?v=1779642824"},{"product_id":"honda-xr-crf-50-rev-box","title":"Honda xr crf 50 rev box","description":"\u003cp\u003e50 Caliber Rev Box. This rev box will remove the stock rev limiter and allow your pit bike to max out its performance and rpm's. Improved timing curve. Great bang for the buck! Fits all years of Honda xr50 and crf50. This is a must have to max out your engines capabilities!\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225546076419,"sku":"5300","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/77.jpg?v=1779642887"},{"product_id":"gasket-kit-complete-47mm-70cc","title":"Gasket kit Complete 47mm 70cc","description":"\u003cp\u003e\u003cspan id=\"btAsinTitle\"\u003e50 Caliber Racing 47mm Gasket kit for 70cc Lifan Engines Pit Bikes. This is a complete top end gasket kit to help you rebuild your 47mm top end (70cc)  You will receive every gasket shown in the picture above. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225546699011,"sku":"4404","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/86.jpg?v=1779642891"},{"product_id":"gasket-kit-complete-52mm-110cc-125cc","title":"Gasket kit complete 52mm 110cc - 125cc","description":"\u003cp\u003e\u003cspan id=\"btAsinTitle\"\u003e50 Caliber Racing 52mm Gasket kit for 88cc, 110cc, and 125cc Lifan Engines Pit Bikes Atv Pocket Bike Go Karts and Mini Choppers\u003cbr\u003e\u003cbr\u003e- Fits 88cc-125cc engines using a 52mm cylinder\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225546928387,"sku":"4410","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/90.jpg?v=1779642892"},{"product_id":"gasket-head-47mm-70cc","title":"Gasket Head 47mm 70cc","description":"\u003cp\u003e\u003cspan id=\"btAsinTitle\"\u003e50 Caliber Racing 47mm Head Gasket Kit for 70cc Pit Bikes. This 47mm gasket kit will work on all 47mm lifan and honda engines. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225547976963,"sku":"4402","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/89.jpg?v=1779642893"},{"product_id":"rear-brake-caliper-yamaha-rhino-700","title":"Rear Brake Caliper Yamaha Rhino 700","description":"\u003cp\u003e\u003cstrong\u003eRear Brake Caliper for Yamaha Rhino 700\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e50 Caliber Racing Rear Brake Caliper assembly for the Yamaha Rhino YXR 700. Select to purchase Left, Right or both as a pair to replace the factory Rear Brake Caliper for your Rhino. They come fully assembled including Pads with mounting bracket as a complete and direct replacement for Part numbers: 5B4-2580V-00-00 and 5B4-2580W-00-00. Made with precision components and high temperature resistant seals, 50 Caliber Racing Calipers are engineered and tested to meet or exceed original part standards and performance. Easy to install, remove, replace and ride!\u003cbr\u003e\u003cbr\u003e Replaces the following Part Numbers: 5B4-2580V-01-00 (Right Rear), and B4-2580W-01-00 (Left Rear)\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e- Right or Left Caliper (Make sure to select side before ordering)\u003cbr\u003e - New Brake Pads\u003cbr\u003e - Mounting Bracket\u003cbr\u003e - 1 year Warranty (caliper only, pads not covered)\u003cbr\u003e - Free shipping to USA!\u003cbr\u003e\u003cbr\u003e \u003cstrong\u003eFits the following Yamaha models:\u003c\/strong\u003e\u003cbr\u003e Rhino YXR 700 (2008-2013)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Please Select","offer_id":48225548501251,"sku":"----","price":71.99,"currency_code":"USD","in_stock":true},{"title":"Rear Left","offer_id":48225548534019,"sku":"5397","price":71.99,"currency_code":"USD","in_stock":true},{"title":"Rear Right","offer_id":48225548566787,"sku":"5398","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/3835.jpg?v=1779642897"},{"product_id":"front-brake-caliper-yamaha-rhino-450-660","title":"Front Brake Caliper Yamaha Rhino 450 660","description":"\u003cp\u003e\u003cstrong\u003eFront Brake Caliper Yamaha Rhino\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e50 Caliber Racing Front Brake Caliper assembly for the Yamaha Rhino 450\/660 UTVs. Select to purchase Left, Right or both as a pair to replace the factory Brake Caliper for your Rhino. They come fully assembled including Pads with mounting bracket as a complete and direct replacement for Part numbers: 5B4-2580T-01-00 and 5B4-2580U-01-00. Made with precision components and high temperature resistant seals, 50 Caliber Racing Calipers are engineered and tested to meet or exceed original part standards and performance. Easy to install, remove, replace and ride!\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReplacees the following Part Numbers:\u003c\/strong\u003e\u003cbr\u003e5B4-2580T-01-00\u003cbr\u003e5B4-2580U-01-00\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003cbr\u003eQty 1: Front Left or Right Caliper with Pads and Mounting Bracket.\u003cbr\u003eQty 2: Both Front Left \u0026amp; Right Calipers with Pads and Mounting Brackets.\u003cbr\u003e1-year Warranty on Caliper Assembly (brake pads are not covered under warranty)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill fit the following Models:\u003c\/strong\u003e\u003cbr\u003e2006-2009 Yamaha Rhino 450\u003cbr\u003e2004-2007 Yamaha Rhino 660\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Front Left","offer_id":48225548894467,"sku":"5395","price":55.99,"currency_code":"USD","in_stock":true},{"title":"Front Right","offer_id":48225548927235,"sku":"5396","price":55.99,"currency_code":"USD","in_stock":true},{"title":"Select","offer_id":48225548960003,"sku":"----","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/3833.jpg?v=1779642897"},{"product_id":"cdi-5-pin-green-rev-box","title":"CDI 5 Pin Green Rev Box","description":"\u003cp\u003e5 pin CDI rev box is commonly used on 50cc-125cc Chinese made engines. These engines are most commonly used in pit bikes and Atvs.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225550008579,"sku":"1200","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/41.jpg?v=1779642946"},{"product_id":"47mm-head-gasket-and-clutch-gasket-kit-for-chinese-lifan-engines","title":"47mm Head gasket and clutch gasket kit for Chinese Lifan engines.","description":"\u003cp\u003e47mm 70cc Head gasket and clutch gasket kit for Honda 50 and Chinese Lifan motor. All gaskets shown are included in this kit.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225550401795,"sku":"5400","price":14.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/293.jpg?v=1779642947"},{"product_id":"high-volume-oil-pump-vintage-honda-69-81-z50","title":"High Volume Oil Pump - Vintage Honda 69-81 Z50","description":"\u003cp\u003e\u003cstrong\u003eHigh Volume Oil Pump - Vintage Honda Z50 \u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eHigh volume oil pump for vintage Honda pit bikes and small ATVs. Delivers up to 3x the volume as the stock pump. We highly recommend upgrading your oil system when installing a big bore kit. Installation requires 2mm drill out of oiling outlet. \u003cbr\u003e\u003cbr\u003e Fits\u003cbr\u003e - Z50 (1969-1981)\u003cbr\u003e - CT70 (Up to 1981)\u003cbr\u003e - SL70 (Up to 1981)\u003cbr\u003e - XL70 (Up to 1981)\u003cbr\u003e - ATC70 (Up to 1981)\u003cbr\u003e - TRX70 (Up to 1981)\u003cbr\u003e\u003cbr\u003e ** Note - Installation requires 2mm drill out of oiling outlet.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225550467331,"sku":"5122","price":25.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/7310.jpg?v=1779642947"},{"product_id":"high-volume-oil-pump-xr50-crf50-82-present","title":"High volume oil pump XR50 CRF50 82-Present","description":"\u003cp\u003eHigh Volume oil pump for 1992 to current year Honda xr and crf 50.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits the following: \u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003eHonda Z50 - 1982 and Newer\u003c\/li\u003e\n\u003cli\u003eHonda CT70 - 1982 and Newer\u003c\/li\u003e\n\u003cli\u003eHonda XR50 - All Years\u003c\/li\u003e\n\u003cli\u003eHonda CRF50 - All Years\u003c\/li\u003e\n\u003cli\u003eHonda XR70 - All Years\u003c\/li\u003e\n\u003cli\u003eHonda CRF70 - All Years\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003eHighly recommended when using a big bore kit\u003cbr\u003e\u003cbr\u003eRequires 2mm drill out of oiling outlet\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225550565635,"sku":"5121","price":20.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/2259.jpg?v=1779642949"},{"product_id":"left-and-right-case-gaskets-for-honda-50","title":"Left and right case gaskets for Honda 50","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003eLeft and right case gaskets for Honda 50, Fits all 1992 to current year X50, XR50, and CRF50\u003c\/span\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225551286531,"sku":"5405","price":12.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/292.jpg?v=1779642957"},{"product_id":"52mm-88cc-110cc-125cc-head-gasket-and-clutch-gasket-kit-for-chinese-lifan-engines","title":"52mm 88cc 110cc 125cc Head gasket and clutch gasket kit for Chinese Lifan engines.","description":"\u003cp\u003e52mm 88cc 110cc 125cc Head gasket and clutch gasket kit for Honda 50 and Chinese Lifan motor. All gaskets shown are included in this kit.\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225552105731,"sku":"5404","price":14.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/530.jpg?v=1779643012"},{"product_id":"54mm-head-gasket-kit","title":"54mm Head gasket kit","description":"\u003cp\u003e\u003cstrong\u003e54mm (117cc) Head gasket kit. This is a complete top end gasket kit that also includes exhaust gasket. \u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225552498947,"sku":"5401","price":12.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/529.jpg?v=1779643011"},{"product_id":"piston-kit-standard-bore-ktm-50","title":"Piston Kit Standard Bore KTM 50","description":"\u003cp\u003ePiston Kit with Standard Bore for KTM 50cc Pit Bikes. Stock bore size and compression ratio. Why spend all your hard earned money at the KTM dealer paying inflated prices, when you can buy high quality, OEM spec replacement parts from us and have tons of cash left over! We offer a warranty and we stand by our products. \u003cbr\u003e\u003cbr\u003eWill fit all KTM 50cc bikes from 2002 to current:\u003cbr\u003e\u003cbr\u003eSX\u003cbr\u003eSX MINI\u003cbr\u003eSX Junior\u003cbr\u003eSX Junior Adventure\u003cbr\u003eSX Senior Adventure\u003cbr\u003eSX Pro Junior LC\u003cbr\u003eSX Pro Senior LC\u003cbr\u003e\u003cbr\u003e*NOTE- Will NOT fit 2001 and older KTM50 with black Morini Franco engine.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e Kit Contents: \u003cbr\u003e\u003cbr\u003e 1 - Piston\u003cbr\u003e 2 - Piston Rings\u003cbr\u003e 2 - Clips\u003cbr\u003e 1 - Wrist Pin\u003cbr\u003e 1 - Bearing\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225557512451,"sku":"4457A1","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/1859.jpg?v=1779643137"},{"product_id":"honda-xr-trx-400-top-end-cylinder-kit","title":"Honda XR TRX 400 Top End Cylinder Kit","description":"\u003cp\u003e\u003cstrong\u003eHonda XR400 TRX400 Top End Cylinder Kit 1996-2015\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e50 Caliber Racing stock replacement kit. Includes all gaskets and components necessary to rebuild your top end. Manufactured to OEM spec, our kits are complete, high quality and will extend the life of your toys for many more years of enjoyment. You can save big money and gain a huge sense of satisfaction when you do your own top end rebuild. With our kits you don't have to worry about modifying parts or missing items. Just bolt it together and go!\u003cbr\u003e \u003cbr\u003eKit Includes:\u003cbr\u003e\u003cbr\u003e 1 - Cylinder\u003cbr\u003e1 - Piston\u003cbr\u003e1 - Piston Ring Kit\u003cbr\u003e2 - Circlips\u003cbr\u003e1 - Wrist Pin\u003cbr\u003e1 - Base Gasket\u003cbr\u003e1 - Head Gasket\u003cbr\u003e1 - Case Gasket\u003cbr\u003e1 - Spark Plug\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e Fits the following Honda models:\u003cbr\u003e\u003cspan\u003eTRX400EX, TRX400X, XR400R \u003c\/span\u003e(1996-2015)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225558692099,"sku":"4449A6","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/2504.jpg?v=1779643145"},{"product_id":"honda-trx-xr400r-440cc-big-bore-kit","title":"Honda TRX XR400R 440cc Big Bore Kit","description":"\u003cp\u003e\u003cstrong\u003eHonda XR400R \/ TRX400EX 89mm 440cc Big Bore Kit 1996- 2016\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Bolt on 89mm 440cc Big Bore Kit for all Honda TRX400EX and XR400 models. This is a complete kit, with everything you need. Improved cylinder design with a larger cylinder sleeve for longer lasting performance. 10:1 89mm Piston with hard anodized dome. This kit is truly bolt on and can be installed by anyone with basic mechanical skills who is not afraid to turn some nuts and bolts. Breathe new life into your Honda with our high quality, affordable and reliable big bore kit!\u003cbr\u003e\u003cbr\u003eIncludes:\u003cbr\u003e\u003cbr\u003e - 89mm Cylinder\u003cbr\u003e - 10:1 Piston with Anodized Dome\u003cbr\u003e - Piston Ring Kit\u003cbr\u003e - Gasket Kit\u003cbr\u003e - Wrist Pin\u003cbr\u003e - Circlips\u003cbr\u003e - O-Rings\u003cbr\u003e\u003cbr\u003e Fits the following Honda models:\u003cbr\u003e TRX400EX (1996-2016)\u003cbr\u003e TRX400X (1996-2016)\u003cbr\u003e XR400R (1996-2003)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225561641219,"sku":"4449A13","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/3154.jpg?v=1779643198"},{"product_id":"rear-brake-caliper-for-honda-sportrax","title":"Rear Brake Caliper for Honda Sportrax","description":"\u003cp\u003e\u003cstrong\u003e50 Caliber Racing Loaded Rear Brake Caliper w Pads for Honda ATVs\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e Brand new single piston rear brake caliper assembly. Includes parking brake block off plate which is removable in order to maintain the use of your existing parking brake. Comes with new pads plus assembly hardware shown, however the bracket is not included so you're required to use your current caliper mounting brackets with this Caliper. Manufactured to OEM spec for an exact fit, simply attach your existing mounting bracket and brake line... remove, replace and ride!\u003cbr\u003e\u003cbr\u003e Replaces the following Honda part numbers: 43250-HN1-006, 43250-HN1-A41\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003cbr\u003e - Rear Brake Caliper Assembly\u003cbr\u003e - Pre-installed Brake Pads\u003cbr\u003e - Block-off Plate (use this optional plate to eliminate the use of the parking brake)\u003cbr\u003e - Banjo Bolt\u003cbr\u003e - 2 Crush Washers\u003cbr\u003e - 1-year Warranty on Caliper Assembly (brake pads are not covered under warranty)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWill Fit the following ATV models:\u003c\/strong\u003e\u003cbr\u003e HONDA:\u003cbr\u003e - ATC 200 X (1983-1987)\u003cbr\u003e - TRX300EX (1993-2009)\u003cbr\u003e - TRX400EX (1999-2008)\u003cbr\u003e - TRX400X (2009-2014)\u003cbr\u003e\u003cbr\u003e SUZUKI:\u003cbr\u003e - Quad Sport LTZ 400 (2003-2008)\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225562558723,"sku":"5393","price":47.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/3808.jpg?v=1779643204"},{"product_id":"honda-z50-performance-camshaft-1968-1981","title":"Honda Z50 Performance Camshaft 1968-1981","description":"\u003cp\u003e\u003cstrong\u003eThis is a much more agressive camshaft than stock. This can be added to your stock motor for increased Horse Power performance. Cam will work with a bone stock or upgraded 88cc engine with a stock Cylinder Head. \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits 1968-1981 Honda Z50\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eALL ATC 70'S\u003cbr\u003eALL TRX 70'S\u003cbr\u003eALL XL\/CL\/SL70'S\u003c\/strong\u003e\u003c\/p\u003e","brand":"50 Caliber Racing","offers":[{"title":"Default Title","offer_id":48225566982403,"sku":"5640","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0366\/3216\/6531\/files\/9199.jpg?v=1779643322"}],"url":"https:\/\/bajaracinggear.com\/es\/collections\/big-bore-kits.oembed","provider":"Baja Racing Gear","version":"1.0","type":"link"}