{"title":"Gear Driven Cams","description":"","products":[{"product_id":"andrews-grind-cams-for-harley-twin-cam-1999-2006-performance-replacement-camshafts","title":"Andrews Grind Cams for Harley Twin Cam 1999-2006 Performance Replacement Camshafts","description":"\u003ch3 class=\"subFeature\"\u003ePERFORMANCE CAMSHAFT OPTIONS\u003c\/h3\u003e\n\u003cp\u003eDial in the powerband of your Harley Twin Cam with proven performance cam grinds available in both chain drive and gear drive configurations. From easy, bolt-in torque upgrades to high-lift, high-rpm builds, these cams are designed to improve throttle response, torque, and horsepower across a wide range of engine combinations—including stock head setups, higher compression motors, and builds with major head work.\u003c\/p\u003e\n\u003cul class=\"subItemList\"\u003e\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam 1999-2006 (Excluding 2006 Dyna)\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eAvailable in chain drive and gear drive styles to match your setup\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eBolt-in friendly grinds offered for stock compression and everyday riding\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eBroad torque-band options that work well with carburetors or fuel injection\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eHigher rpm performance grinds for lighter bikes and aggressive riding\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eHigh-lift performance choices for larger-inch motors, higher compression, and high-flow heads\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eMany grinds can be used with stock valve springs and tappets (varies by grind)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"subFeature\"\u003eRPM-FOCUSED GRINDS FOR YOUR BUILD\u003c\/h3\u003e\n\u003cul class=\"subItemList\"\u003e\n\u003cli class=\"subList\"\u003eLow-to-midrange torque cams for heavier bikes and two-up touring (strong pull in the 1700-5500 rpm range depending on grind)\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eMidrange-to-top-end performance cams for maximum torque and horsepower (commonly 2200-6500+ rpm depending on grind and engine setup)\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eOptions designed around popular big-inch Twin Cam combinations and common compression targets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"subFeature\"\u003eINSTALLATION \u0026amp; CLEARANCE NOTES\u003c\/h3\u003e\n\u003cul class=\"subItemList\"\u003e\n\u003cli class=\"subList\"\u003eInstaller must check coil bind, valve-to-valve clearance, and valve-to-piston clearance where required\u003c\/li\u003e\n\u003cli class=\"subList\"\u003eSome grinds are designed to ease installation with lower TDC lift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews_Chain_drive_99-06_1.jpg?v=1768511562\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"21 Series \/ Chain Drive","offer_id":42340166762567,"sku":"DSDS199176","price":366.01,"currency_code":"USD","in_stock":true},{"title":"21 Series \/ Gear Drive","offer_id":42340166664263,"sku":"DSDS199250","price":417.96,"currency_code":"USD","in_stock":true},{"title":"26 Series \/ Chain Drive","offer_id":42340166860871,"sku":"DSDS199179","price":366.01,"currency_code":"USD","in_stock":true},{"title":"26 Series \/ Gear Drive","offer_id":42340166893639,"sku":"DSDS199117","price":407.57,"currency_code":"USD","in_stock":true},{"title":"31 Series \/ Chain Drive","offer_id":42340166467655,"sku":"DS09250070","price":366.01,"currency_code":"USD","in_stock":true},{"title":"37 Series \/ Chain Drive","offer_id":42340166828103,"sku":"DSDS199180","price":366.01,"currency_code":"USD","in_stock":false},{"title":"37 Series \/ Gear Drive","offer_id":42340166631495,"sku":"DSDS199247","price":407.57,"currency_code":"USD","in_stock":true},{"title":"TW48 Series \/ Chain Drive","offer_id":42450384158791,"sku":"DS09251274","price":366.01,"currency_code":"USD","in_stock":true},{"title":"50 Series \/ Chain Drive","offer_id":42340166402119,"sku":"DSDS199181","price":366.01,"currency_code":"USD","in_stock":true},{"title":"50 Series \/ Gear Drive","offer_id":42340166434887,"sku":"DSDS199118","price":388.81,"currency_code":"USD","in_stock":false},{"title":"54 Series \/ Chain Drive","offer_id":42386554290247,"sku":"DS09250282","price":366.01,"currency_code":"USD","in_stock":true},{"title":"54 Series \/ Gear Drive","offer_id":42340166959175,"sku":"DS09250281","price":407.57,"currency_code":"USD","in_stock":false},{"title":"55 Series \/ Chain Drive","offer_id":42340166729799,"sku":"DSDS199178","price":383.38,"currency_code":"USD","in_stock":false},{"title":"55 Series \/ Gear Drive","offer_id":42340166598727,"sku":"DSDS199249","price":407.57,"currency_code":"USD","in_stock":true},{"title":"57 Series \/ Chain Drive","offer_id":42446510030919,"sku":"DS09251275","price":366.01,"currency_code":"USD","in_stock":true},{"title":"59 Series \/ Gear Drive","offer_id":42340166565959,"sku":"DSDS199251","price":407.57,"currency_code":"USD","in_stock":false},{"title":"60 Series \/ Chain Drive","offer_id":42340166795335,"sku":"DSDS199182","price":366.01,"currency_code":"USD","in_stock":false},{"title":"60 Series \/ Gear Drive","offer_id":42340166533191,"sku":"DSDS199119","price":326.88,"currency_code":"USD","in_stock":false},{"title":"67 Series \/ Gear Drive","offer_id":42340166500423,"sku":"DS09250181","price":407.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/58da0e16-04d9-4a2f-bcc5-74e721a24154_1.jpg?v=1767104500"},{"product_id":"andrews-269150-high-performance-ts550-cam-shaft-13-19-indian-models-w-111-motor","title":"Andrews 269150 High Performance TS550 Cam Shaft 13-19 Indian Models w\/ 111 Motor","description":"\u003cul\u003e\r\n\u003cli\u003eEngine performance upgrade\u003c\/li\u003e\r\n\u003cli\u003eTS550 cam features higher valve lift and more duration for increased power in the 2000-6000 rpm range\u003c\/li\u003e\r\n\u003cli\u003eAll Andrews cams use Landis CNC cam grinders and computer designed labels\u003c\/li\u003e\r\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e:\u003c\/p\u003e\r\n\u003cp\u003eExhaust Close: 4°\u003cbr\u003eExhaust Open: 33°\u003cbr\u003eGrind: TS550\u003cbr\u003eIntake Close: 30°\u003cbr\u003eIntake Open: 8°\u003cbr\u003eProduct Name: Camshaft\u003cbr\u003eRiding Style: Street\u003cbr\u003eUnits: Each\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42357114077255,"sku":"DS09251272","price":664.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/0925-1272.jpg?v=1767641288"},{"product_id":"andrews-269170-high-performance-ts570-cam-shaft-13-19-indian-models-w-111-motor","title":"Andrews 269170 High Performance TS570 Cam Shaft 13-19 Indian Models w\/ 111 Motor","description":"\u003cul\u003e\r\n\u003cli\u003eEngine performance upgrade\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan\u003eTS570 cam features slightly more valve lift and duration than the TS550 cam for increased power in the 2200-6500 rpm range\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003eAll Andrews cams use Landis CNC cam grinders and computer designed labels\u003c\/li\u003e\r\n\u003cli\u003eMade in the U.S.A.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e:\u003c\/p\u003e\r\n\u003cp\u003eExhaust Close: 4°\u003cbr\u003eExhaust Open: 48°\u003cbr\u003eGrind: TS570\u003cbr\u003eIntake Close: 36°\u003cbr\u003eIntake Open: 12°\u003cbr\u003eProduct Name: Camshaft\u003cbr\u003eRiding Style: Street\u003cbr\u003eUnits: Each\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42357115355207,"sku":"DS09251273","price":664.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/269170.jpg?v=1767641317"},{"product_id":"andrews-12g-series-grind-gear-drive-cam-for-harley-twin-cam-99-06-489-lift-1","title":"Andrews 12G Series Grind Gear Drive Cam for Harley Twin Cam 99-06  .489\" Lift","description":"\u003ch3 class=\"subFeature\"\u003e12 SERIES GRIND CAMS\u003c\/h3\u003e\r\n\u003cul class=\"subItemList\"\u003e\r\n\u003cli class=\"subList\"\u003eNo engine tuning needed\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eUses stock springs\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eSimilar timing to earlier stock 88 cams but gear drive cams are used instead of chains\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam models (excluding Dyna 2006)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews_cams.jpg?v=1766875175\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372824563783,"sku":"TR495416","price":285.92,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/288112g-thru-288164g_006_f5de48e1-7301-436f-846c-78b16a4017c8.jpg?v=1768215429"},{"product_id":"andrews-37g-series-grind-gear-drive-cam-for-harley-twin-cam-99-06-510-lift-1","title":"Andrews 37G Series Grind Gear Drive Cam for Harley Twin Cam 99-06  .510\" Lift","description":"\u003ch3 class=\"subFeature\"\u003e37 SERIES GRIND CAMS\u003c\/h3\u003e\r\n\u003cul class=\"subItemList\"\u003e\r\n\u003cli class=\"subList\"\u003eCan be used with stock valve springs and tappets\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eSmooth idle with broad torque band\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eWorks well with carbs or fuel injection\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eBolt-in cams have shown 80+ rear wheel HP\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eRun best with low restriction exhausts (2200-5800 rpm)\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam models (excluding Dyna 2006)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews_cams.jpg?v=1766875175\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372824662087,"sku":"DSDS199247","price":407.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/0cab595a-41db-4010-bbbb-885ad4904634_1_8d826577-b01c-40a1-b2cc-625c47526b72.jpg?v=1768215485"},{"product_id":"andrews-tw50-series-grind-gear-drive-cam-for-harley-twin-cam-99-06-510-lift-1","title":"Andrews TW50 Series Grind Gear Drive Cam for Harley Twin Cam 99-06  .510\" Lift","description":"\u003ch3 class=\"subFeature\"\u003e50 SERIES GRIND CAMS\u003c\/h3\u003e\r\n\u003cul class=\"subItemList\"\u003e\r\n\u003cli class=\"subList\"\u003eCan be used with stock valve springs and tappets\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eCams work best at higher rpm of 2500-6000\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFor lighter bikes\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eDesigned for 95\"+ motors with 9.25:1 to 9.50:1 compression ratio and stock heads\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam models (excluding Dyna 2006)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews_cams.jpg?v=1766875175\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372824694855,"sku":"DSDS199118","price":388.81,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/288112g-thru-288164g_006_67a8ce14-061b-48c5-8fdd-8f2598d9a747.jpg?v=1768215532"},{"product_id":"andrews-55g-series-grind-gear-drive-cam-for-harley-twin-cam-99-06-550-lift-1","title":"Andrews 55G Series Grind Gear Drive Cam for Harley Twin Cam 99-06  .550\" Lift","description":"\u003ch3 class=\"subFeature\"\u003e55 SERIES GRIND CAMS\u003c\/h3\u003e\r\n\u003cul class=\"subItemList\"\u003e\r\n\u003cli class=\"subList\"\u003eCams for maximum torque and horsepower at higher rpm ranges (2600-6000+ rpm)\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eDesigned for engines with 9.5:1 compression ratio or higher with 88-95\"\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eCoil bind must be checked, but stock tappets can be used\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam models (excluding Dyna 2006)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews_cams.jpg?v=1766875175\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372824760391,"sku":"DSDS199249","price":407.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/e92cd109-cfd8-4602-a056-dabc00595541_1_2a311861-551c-4cd0-8af7-cf3443ba5018.jpg?v=1768215560"},{"product_id":"andrews-59g-series-grind-gear-drive-cam-for-harley-twin-cam-99-06-590-lift-1","title":"Andrews 59G Series Grind Gear Drive Cam for Harley Twin Cam 99-06  .590\" Lift","description":"\u003ch3 class=\"subFeature\"\u003e59 SERIES GRIND CAMS\u003c\/h3\u003e\r\n\u003cul class=\"subItemList\"\u003e\r\n\u003cli class=\"subList\"\u003eFor 95\"+ motors with 10:1 compression ratio or higher\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eMaximum torque and HP at middle and upper rpm ranges (2400-6200 rpm)\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eCoil bind must be checked, but can use stock tappets\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam models (excluding Dyna 2006)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews_cams.jpg?v=1766875175\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372824793159,"sku":"DSDS199251","price":407.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/dc5cc4fe-d240-4c8e-a63c-c427db1c569a_1_85aeb39d-2117-4b82-8976-ea3def5a92e8.jpg?v=1768215589"},{"product_id":"andrews-67g-series-grind-gear-drive-cam-for-harley-twin-cam-99-06-570-lift-1","title":"Andrews 67G Series Grind Gear Drive Cam for Harley Twin Cam 99-06  .570\" Lift","description":"\u003ch3 class=\"subFeature\"\u003e67 SERIES GRIND CAMS\u003c\/h3\u003e\r\n\u003cul class=\"subItemList\"\u003e\r\n\u003cli class=\"subList\"\u003eHi-lift Performance cams for 95-107+ inches, 10.0 to 10.8 compression ratio with high-flow head setup (2600-6400+ rpm)\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam models (excluding Dyna 2006)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews_cams.jpg?v=1766875175\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372825219143,"sku":"DS09250181","price":407.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/fb1d32bc-d4c1-4121-9138-80e32259675f_1_cd45570c-7dce-415e-b3e4-8c5232bf3e57.jpg?v=1768215652"},{"product_id":"andrews-32hg-series-grind-gear-drive-cam-for-harley-twin-cam-06-17-570-lift","title":"Andrews 32HG Series Grind Gear Drive Cam for Harley Twin Cam 06-17 .570\" Lift","description":"\u003cp\u003e32 SERIES GRIND CAMS\u003c\/p\u003e\r\n\u003cp\u003eHigh lift version of 31G. Much more (+20%) power through rpm range with 10:1+ compression ratio 2800-5800 rpm range\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan\u003eType: 32HG\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan\u003eTiming Open: 10°\/52°\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan\u003eTiming Closed: 46°\/08°\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan\u003eDuration: 236°\/240°\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan\u003eLift: .570\"\u003c\/span\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372825808967,"sku":"TR495372","price":284.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews07-15geardrive_c5aed8c3-9b5a-4ef8-acec-ce4744d697a6.jpg?v=1768215681"},{"product_id":"andrews-60hg-series-grind-gear-drive-cam-for-harley-twin-cam-06-17-560-lift","title":"Andrews 60HG Series Grind Gear Drive Cam for Harley Twin Cam 06-17 .560\" Lift","description":"\u003ch3 class=\"subFeature\"\u003e60 SERIES GRIND CAMS\u003c\/h3\u003e\r\n\u003cul class=\"subItemList\"\u003e\r\n\u003cli class=\"subList\"\u003eDesigned for 95\"+ motors with major head work\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eMaximum torque and HP at middle and upper rpm ranges (2700-6500+ rpm)\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eCoil bind and valve-to-valve and valve-to-piston clearance must be checked\u003c\/li\u003e\r\n\u003cli class=\"subList\"\u003eFits: Harley Twin Cam Models 07-15 (Including 2006 Dyna)\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/Andrews_Gear_Drive_07-15_9fd318a2-63a5-46a7-9eef-143a641f9789.jpg?v=1768215688\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Andrews","offers":[{"title":"Default Title","offer_id":42372825841735,"sku":"TR495248","price":293.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/5953\/2615\/files\/andrews07-15geardrive_be990455-63c8-4c8a-a404-0119330449b7.jpg?v=1768215712"}],"url":"https:\/\/easternperformance.com\/collections\/gear-driven-cams.oembed","provider":"Eastern Performance Cycles","version":"1.0","type":"link"}