{"title":"Engine Parts","description":"\u003cp\u003eKlinik RC and Avid RC nitro engine parts for 1\/8 RC cars, such as the Klinik RC Ultimate Clutch Shim Set 0.05, 0.1. Check the part number and Fits list on each product page to confirm it matches your vehicle.\u003c\/p\u003e","products":[{"product_id":"avid-steel-engine-screws-deep-hex-10-m3x10","title":"Avid Steel Engine Screws \/ Deep Hex \/ (10) M3x10","description":"\u003cp\u003eProduct Overview\u003c\/p\u003e\u003cp\u003eThe Avid Steel Deep Hex Engine Screws are 10mm long and have deep 2.5mm hexes to help keep your screws from stripping when using a ball end. \u003c\/p\u003e\u003cp\u003eFeatures\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from 12.9 steel just like your kit screws.\u003c\/li\u003e\n\u003cli\u003eM3x10mm with deep 2.5mm sockets to give more area for your wrench to grab, especially if needing to use a ball end.\u003c\/li\u003e\n\u003cli\u003eIncludes: (10) steel engine screws.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAvid RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAVDAV1832-ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFree shipping on orders $100+ · $10 flat under $100 (US). Ships in 2 business days. Rockstar Hobbies is your online pit stop for racers who need the right parts, at the right price.\u003c\/p\u003e","brand":"Avid RC","offers":[{"title":"Default Title","offer_id":50751516606721,"sku":"AVDAV1832-ST","price":8.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2841\/5489\/files\/large_4378_6744ce2613916.jpg?v=1792094478"},{"product_id":"klinik-rc-titanium-1-8-21-engine-clutch-bolt-1pc-krc","title":"Klinik RC Titanium 1\/8 .21 Engine Clutch Bolt (1pc) KRC-CLUTCHBOLT","description":"\u003cp\u003eOur version of the vulnerable clutch bolt. Ours features a raised shoulder to prevent any contact with the seal or outer race ensuring the bearing is not damaged. It also features 2.5mm internal hex and 7mm outer hex. Available anodized to match all your custom Klinik Titanium hardware!!\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKlinik RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKRC-CLUTCHBOLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFree shipping on orders $100+ · $10 flat under $100 (US). Ships in 2 business days. Rockstar Hobbies is your online pit stop for racers who need the right parts, at the right price.\u003c\/p\u003e","brand":"Klinik RC","offers":[{"title":"Default Title","offer_id":50751517196545,"sku":"KRC-CLUTCHBOLT","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2841\/5489\/files\/BGJ72L3JBKUJITDUKWYCNQTG.png?v=1792094487"},{"product_id":"klinik-rc-ultimate-clutch-shim-set-0-05-0-1-0-2-0-3mm-10pc","title":"Klinik RC Ultimate Clutch Shim Set 0.05, 0.1, 0.2, 0.3mm 10pc each (40pcs) KRC-CLUTCHSHIM","description":"\u003cp\u003eThe ultimate 1\/8 clutch shim set! 40 total shims housed in a nice hard plastic case. Labeled with sizes for quick\/easy reference.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKlinik RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKRC-CLUTCHSHIM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFree shipping on orders $100+ · $10 flat under $100 (US). Ships in 2 business days. Rockstar Hobbies is your online pit stop for racers who need the right parts, at the right price.\u003c\/p\u003e","brand":"Klinik RC","offers":[{"title":"Default Title","offer_id":50751517262081,"sku":"KRC-CLUTCHSHIM","price":14.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2841\/5489\/files\/EUFYVLMQ2S3CW4FDDDAYC4WD.jpg?v=1792094489"},{"product_id":"avid-bearing-14x25-4x6-ceramic-rear-mr25414c","title":"Avid Bearing 14x25.4x6 Ceramic Rear MR25414C","description":"\u003cp\u003eThe Avid 14x25.4x6 Ceramic Engine Bearing offers the maximum performance and reliability to your racing engine. The bearing specs are Abec3, 9 G3 Si3N4 Ceramic Balls, PA66 with 30 Glass Fiber Cage, Deep Groove Offset Races, and Chrome Steel 52100 Rings. It has no seals to allow for proper lubrication from the oil in your fuel. A ceramic engine bearing can allow most RC engines to spin an extra 500 rpm with less drag and the life of the bearing is far greater than a steel bearing. Another benefit to ceramics is the weight difference in the balls allowing for less rotating mass.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eIf your engine is not listed below, please check with your manufacturer first to see what size you require.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEngines Used In\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eO.S.: B21, VZ-B, VZ-B V-Spec, VZ-B V-Spec Speed, \u0026amp; VZ-B V-Spec II WE\u003c\/li\u003e\n\u003cli\u003eNovarossi: Plus 4 (2008), Plus 21-7T, P5 (Original), 421B, BS-21SB, \u0026amp; C5\u003c\/li\u003e\n\u003cli\u003eRB: C5\/C6, S3, S5, S7, TM928\u003c\/li\u003e\n\u003cli\u003eReds: M7T, M7TGT, R5, R5R, R5T, R5TTE\u003c\/li\u003e\n\u003cli\u003eProTek: 321B\u003c\/li\u003e\n\u003cli\u003eAlpha\u003c\/li\u003e\n\u003cli\u003eJammin\u003c\/li\u003e\n\u003cli\u003eGo\u003c\/li\u003e\n\u003cli\u003eNinja\u003c\/li\u003e\n\u003cli\u003ePicco\u003c\/li\u003e\n\u003cli\u003ePrecirotate: D5, PR21B, PR21BS, \u0026amp; PR21C\u003c\/li\u003e\n\u003cli\u003eTrinity Drake\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTips\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnosing: \u003c\/strong\u003eIf you hold the head of the engine with your hand and the rattling sound disappears then you have a worn-out rear bearing. The risks\/issues of a bad rear bearing are not holding a tune, crank can get worn, and worst of all the bearing comes apart and eats your piston\/sleeve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation: \u003c\/strong\u003eThe best way to install is to use a bearing puller\/installer, OFNA makes a very affordable one. If you place the new bearing in the freezer for 15 minutes it will be easier to install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning: \u003c\/strong\u003eFor proper lubrication, face the open side where you can see the balls to the rear of the motor (not the clutch side).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreak-In: \u003c\/strong\u003eFor the first run of these bearings, Avid suggests that you fatten your motor up on the high-end needle so the ceramic balls will seat instead of skidding them.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBearing Dimensions\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMETRIC: \u003cstrong\u003e14\u003c\/strong\u003emm (Inner) x \u003cstrong\u003e25.4\u003c\/strong\u003emm (Outer) x \u003cstrong\u003e6\u003c\/strong\u003emm (Width)\u003c\/li\u003e\n\u003cli\u003eSTANDARD: \u003cstrong\u003e0.55118\u003c\/strong\u003e\" (Inner) x \u003cstrong\u003e1\u003c\/strong\u003e\" (Outer) x \u003cstrong\u003e0.23622\u003c\/strong\u003e\" (Width)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAvid RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAVDMR25414C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFree shipping on orders $100+ · $10 flat under $100 (US). Ships in 2 business days. Rockstar Hobbies is your online pit stop for racers who need the right parts, at the right price.\u003c\/p\u003e","brand":"Avid RC","offers":[{"title":"Default Title","offer_id":50751517294849,"sku":"AVDMR25414C","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2841\/5489\/files\/C2VDM5AAXTTX7EG5QTGYQ3XG.png?v=1792094490"},{"product_id":"avid-bearing-14x25-8x6-ceramic-rear-mr25814c","title":"Avid Bearing 14x25.8x6 Ceramic Rear MR25814C","description":"\u003cp\u003eThe Avid 14x25.8x6 Ceramic Engine Bearing offers the maximum performance and reliability to your racing engine. The bearing specs are Abec5, 9 G3 Si3N4 Balls, PA66 with 30 Glass Fiber Cage, Deep Groove Offset Races, and Chrome Steel 52100 Rings. It has no seals to allow for proper lubrication from the oil in your fuel. A ceramic engine bearing can allow most RC engines to spin an extra 500 rpm with less drag and the life of the bearing is far greater than a steel bearing. Another benefit to ceramics is the weight difference in the balls allowing for less rotating mass.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eIf your engine is not listed below, please check with your manufacturer first to see what size you require.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEngines Used In\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFX: K5 DC\u003c\/li\u003e\n\u003cli\u003eNovarossi: S21 P5XLT, S21 P3XS, 2012 Plus 21-4BTT, Plus 21-4T, Plus 21-4C Team, Plus 21-4, Plus 28-3, Plus 28-5T, Plus 28-7T, Plus 28-3 \/ 28-5 \/ 28-7 RT, Plus 28-3\/PS, Nitrotec, P5X, P5XS, 528X, 421BS, 821B, C6, RX21WC-2008 , RX221P , RX321P , S821B , S421BSX \/ BSNX , RX21P5XS \/ XST , Plus 28 3 \/ 5T \/ 7T , Plus 28-3RT , Plus 28-3PS , N21B-200 BF , N21B-200 BF\/RT , N21-3T , N21-3T\/RT\u003c\/li\u003e\n\u003cli\u003eRB: Buggy10, Cross10, Truggy10, TM928, RT 9\u003c\/li\u003e\n\u003cli\u003eUltimate: M5, M8\u003c\/li\u003e\n\u003cli\u003eLosi: Nitrotec\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTips\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnosing: \u003c\/strong\u003eIf you hold the head of the engine with your hand and the rattling sound disappears then you have a worn-out rear bearing. The risks\/issues of a bad rear bearing are not holding a tune, crank can get worn, and worst of all the bearing comes apart and eats your piston\/sleeve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation: \u003c\/strong\u003eThe best way to install is to use a bearing puller\/installer, OFNA makes a very affordable one. If you place the new bearing in the freezer for 15 minutes it will be easier to install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning: \u003c\/strong\u003eFor proper lubrication, face the open side where you can see the balls to the rear of the motor (not the clutch side).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreak-In: \u003c\/strong\u003eFor the first run of these bearings, Avid suggests that you fatten your motor up on the high-end needle so the ceramic balls will seat instead of skidding them.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBearing Dimensions\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMETRIC: \u003cstrong\u003e14\u003c\/strong\u003emm (Inner) x \u003cstrong\u003e25.8\u003c\/strong\u003emm (Outer) x \u003cstrong\u003e6\u003c\/strong\u003emm (Width)\u003c\/li\u003e\n\u003cli\u003eSTANDARD: \u003cstrong\u003e0.55118\u003c\/strong\u003e\" (Inner) x \u003cstrong\u003e1.01575\u003c\/strong\u003e\" (Outer) x \u003cstrong\u003e0.23622\u003c\/strong\u003e\" (Width)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAvid RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAVDMR25814C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFree shipping on orders $100+ · $10 flat under $100 (US). Ships in 2 business days. Rockstar Hobbies is your online pit stop for racers who need the right parts, at the right price.\u003c\/p\u003e","brand":"Avid RC","offers":[{"title":"Default Title","offer_id":50751517327617,"sku":"AVDMR25814C","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2841\/5489\/files\/large_234_55007f9840eba.png?v=1792094491"},{"product_id":"avid-bearing-7x19x6-front-ceramic-rubber-607-rsc","title":"Avid Bearing 7x19x6 Front Ceramic Rubber 607-RSC","description":"\u003cp\u003eThe Avid 7x19x6 Ceramic Front Engine Bearing offers the maximum performance and reliability to almost all .21\/.28 racing engines on the market. The bearing specs are Abec5, 7 G3 Si3N4 Ceramic Balls, PA66 with 30 Glass Fiber Cage, Chrome Steel 52100 Rings, and two rubber seals. A ceramic engine bearing can allow most RC engines to spin an extra 500 rpm with less drag and the life of the bearing is far greater than a steel bearing. Another benefit to ceramics is the weight difference in the balls allowing for less rotating mass (0.8g lighter than the steel ball version of this bearing).\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEngines Used In\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAlmost all .21\/.28 engines\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTips\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnosing: \u003c\/strong\u003eTypically you can tell a front bearing is going out if after a run there is a large wet spot on the bottom of your motor next to the flywheel. A little bit of wet is ok and usually just a sign of a rich low-end needle. If the bearing is bad your signs will be inconsistent tune and possible chance of damaging the crank\/case if it completely goes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation: \u003c\/strong\u003eThe best way to install is to use a bearing puller\/installer, OFNA makes a very affordable one. If you place the new bearing in the freezer for 15 minutes it will be easier to install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreak-In:\u003c\/strong\u003e For the first run of these bearings, Avid suggests that you fatten your motor up on the high-end needle so the ceramic balls will seat instead of skidding them.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBearing Dimensions\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMETRIC: 7mm (Inner) x 19mm (Outer) x 6mm (Width)\u003c\/li\u003e\n\u003cli\u003eSTANDARD: 0.27559\" (Inner) x 0.74803\" (Outer) x 0.23622\" (Width)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAvid RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eAVD607-RSC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFree shipping on orders $100+ · $10 flat under $100 (US). Ships in 2 business days. Rockstar Hobbies is your online pit stop for racers who need the right parts, at the right price.\u003c\/p\u003e","brand":"Avid RC","offers":[{"title":"Default Title","offer_id":50751517425921,"sku":"AVD607-RSC","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2841\/5489\/files\/CSILU2V6YJ3HESF3N357KFP7.jpg?v=1792094500"},{"product_id":"racetec-engines-21-piston-sleeve-rod-assembled-3-port-rtc","title":"Racetec Engines .21 Piston\/Sleeve\/Rod Assembled 3 Port RTC-PSR","description":"\u003cp\u003eReplacement Piston, Sleeve and Rod for the .21 Racetec 3 Port Engine\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKlinik RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKRC-RTC-PSR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eFree shipping on orders $100+ · $10 flat under $100 (US). Ships in 2 business days. Rockstar Hobbies is your online pit stop for racers who need the right parts, at the right price.\u003c\/p\u003e","brand":"Klinik RC","offers":[{"title":"Default Title","offer_id":50751517458689,"sku":"KRC-RTC-PSR","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/2841\/5489\/files\/W4SWPLXDI7FQ7S6LZ65EAQTK.jpg?v=1792094501"}],"url":"https:\/\/www.rockstarhobbies.com\/collections\/engine-parts.oembed","provider":"Rockstar Hobbies","version":"1.0","type":"link"}