{"title":"Heads \u0026 Parts","description":"","products":[{"product_id":"search-q-0930-0248","title":"Rocker Shaft Shims - 0.010\" - M8 [0930-0248]","description":"\u003cp\u003eKit Includes: • 24x 0.010\" Shims\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuiet your engine by tightening the rocker arm to cylinder head end play clearance\u003c\/li\u003e\n\u003cli\u003eFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi and noise reduction\u003c\/li\u003e\n\u003cli\u003eM8 cylinder heads also have excessive wear on the rocker arm standoff trusting surfaces, when the hardened shim is placed on the thrusting side it will assist in reduction with further wear and damage to cylinder head\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eThese shims should be installed by a professional, one who can make correct end play measurements and can install and tighten rocker shaft nuts\/bolts without damaging shims.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FEULING PARTS","offers":[{"title":"Default Title","offer_id":43094691971177,"sku":"0930-0248","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/5B07230B-CF59-4627-B85D-43BD058BDA83.png?v=1775166853"},{"product_id":"search-q-0930-0247","title":"Rocker Shaft Shims - 0.005\" - M8 [0930-0247]","description":"\u003cp\u003eKit Includes: • 24x 0.005\" Shims\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuiet your engine by tightening the rocker arm to cylinder head end play clearance\u003c\/li\u003e\n\u003cli\u003eFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi and noise reduction\u003c\/li\u003e\n\u003cli\u003eM8 cylinder heads also have excessive wear on the rocker arm standoff trusting surfaces, when the hardened shim is placed on the thrusting side it will assist in reduction with further wear and damage to cylinder head\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eThese shims should be installed by a professional, one who can make correct end play measurements and can install and tighten rocker shaft nuts\/bolts without damaging shims.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FEULING PARTS","offers":[{"title":"Default Title","offer_id":43094693511273,"sku":"0930-0247","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/2E1EA14A-177A-42DD-AEEC-CEC49EB835E4.png?v=1775166869"},{"product_id":"search-q-0930-0246","title":"Rocker Shaft Shims - 0.003\" - M8 [0930-0246]","description":"\u003cp\u003eKit Includes: • 24x 0.003\" Shims\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuiet your engine by tightening the rocker arm to cylinder head end play clearance\u003c\/li\u003e\n\u003cli\u003eFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi and noise reduction\u003c\/li\u003e\n\u003cli\u003eM8 cylinder heads also have excessive wear on the rocker arm standoff trusting surfaces, when the hardened shim is placed on the thrusting side it will assist in reduction with further wear and damage to cylinder head\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eThese shims should be installed by a professional, one who can make correct end play measurements and can install and tighten rocker shaft nuts\/bolts without damaging shims.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FEULING PARTS","offers":[{"title":"Default Title","offer_id":43094693642345,"sku":"0930-0246","price":119.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/935C06B7-7B8D-438D-930C-EEDA21F62754.png?v=1775166878"},{"product_id":"search-q-0930-0240","title":"Rocker Shaft Shims - 0.003\"\/0.005\"\/0.010\" - M8 [0930-0240]","description":"\u003cp\u003eShim Thickness Includes: • 6x 0.003\" • 6x 0.005\" • 6x 0.010\"\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuiet your engine by tightening the rocker arm to cylinder head end play clearance\u003c\/li\u003e\n\u003cli\u003eFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi and noise reduction\u003c\/li\u003e\n\u003cli\u003eM8 cylinder heads also have excessive wear on the rocker arm standoff trusting surfaces, when the hardened shim is placed on the thrusting side it will assist in reduction with further wear and damage to cylinder head\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eThese shims should be installed by a professional, one who can make correct end play measurements and can install and tighten rocker shaft nuts\/bolts without damaging shims.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FEULING PARTS","offers":[{"title":"Default Title","offer_id":43094693707881,"sku":"0930-0240","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/3C894C38-ECB1-4816-BE40-2D191D2FA5BF.png?v=1775166885"},{"product_id":"search-q-0930-0065","title":"89 cc Super Stock® Cylinder Heads - Cylinder Heads - 89 cc - Super Stock® - Twin Cam [0930-0065]","description":"\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eDesigned for '06-'16 engines with stock crankcase\u003c\/li\u003e\n\u003cli\u003eGood for touring bikes and other heavy vehicles\u003c\/li\u003e\n\u003cli\u003eWorks well with engines of stock displacement, but are ideal for somewhat larger stroker or big bore engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eCombustion chamber provides a slightly higher than stock, but still manageable compression ratio in larger than stock engines\u003c\/li\u003e\n\u003cli\u003eLarge 2.000\" intake and 1.605\" exhaust valves maintain port velocity for good low and midrange response, but supply enough air for slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to 0.650\" lift\u003c\/li\u003e\n\u003cli\u003eIntake ports flow 264 CFM (Cubic Feet per Minute) compared to stock heads at 182 CFM\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eWill not work with S\u0026amp;S compression releases in a late model twin cam that has Harley Davidson® ACR (Automatic Compression Release) already installed.\u003c\/li\u003e\n\u003cli\u003eNot compatible with '14-'16 FLHTK\/FLHTKL, FLHTCUTG Twin-Cooled motors or '17 touring models.\u003c\/li\u003e\n\u003cli\u003eNot for models with OEM compression releases.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression realses are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":43094732734569,"sku":"0930-0065","price":1995.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/1C60DF1F-AC5E-4DF5-9FA8-15D03A62962D.png?v=1775167221"},{"product_id":"search-q-0930-0062","title":"79 cc Super Stock® Cylinder Head - Cylinder Heads - 79 cc - Super Stock® - Twin Cam [0930-0062]","description":"\u003cul\u003e\n\u003cli\u003eHeads are fully assembled with springs and valves\u003c\/li\u003e\n\u003cli\u003eWorks great with 88\" to 103\" stock motors, but are ideal for larger stroker or big bore engines up to 110\"\u003c\/li\u003e\n\u003cli\u003eLarge 1.940\" intake and 1.575\" exhaust valve maintain port velocity for good low and midrange response, but supply enough air for stock and slightly larger engines to perform to their full potential\u003c\/li\u003e\n\u003cli\u003eS\u0026amp;S® High performance valve springs allow the installation of camshafts with up to .650\" lift (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads can be decked up to 0.060\" to increase compression\u003c\/li\u003e\n\u003cli\u003eCompatible with stock rocker boxes, exhaust, and intake manifolds (unless noted)\u003c\/li\u003e\n\u003cli\u003eHeads are machined for compression releases (sold separately)\u003c\/li\u003e\n\u003cli\u003eHigh port flow gives great performance now, and more later when additional upgrades are done\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eIf cams with higher TDC lifts are used or if heads are decked, piston valve pockets will require re-machining.\u003c\/li\u003e\n\u003cli\u003eDoes not include rocker arm components, intake manifold or gaskets.\u003c\/li\u003e\n\u003cli\u003eShould not be used with any piston having a pop up dome.\u003c\/li\u003e\n\u003cli\u003eMust use S\u0026amp;S rocker boxes if S\u0026amp;S compression releases are used.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":43094732800105,"sku":"0930-0062","price":2149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/B6AA2402-3324-4F0E-B40F-96F9E72909BE.png?v=1775167222"},{"product_id":"search-q-0930-0249","title":"Billet Head Breather Kit - Anodized Blue - Twin Cam '99-'17 [0930-0249]","description":"\u003cul\u003e\n\u003cli\u003e6061 billet aluminum head breathers replace the OEM plastic parts\u003c\/li\u003e\n\u003cli\u003eDual O-ring for a better seal in the head\u003c\/li\u003e\n\u003cli\u003eUnique Labyrinth design to reduce oil pass-through\u003c\/li\u003e\n\u003cli\u003eReduces emissions by lowering the amount of oil being burned\u003c\/li\u003e\n\u003cli\u003eIncreased durability compared to the stock head breathers\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":43095167598697,"sku":"0930-0249","price":224.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/666A2E9B-CF57-4C25-9985-D9105CCC7958.png?v=1775173222"},{"product_id":"search-q-0930-0239","title":"Cylinder Head Breathers - M8 [0930-0239]","description":"\u003cp\u003eNot for '23-'24 models with 121\" VVT motors. Kit Includes: • Billet Breather Housings • Billet Covers • Breather Filter Elements • Umbrella Valves • Hardware\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMachined from billet 6061 aluminum with square surfaces, promoting excellent umbrella valve sealing, longer main breather exit nipples with dual O-rings to promote better breather system sealing\u003c\/li\u003e\n\u003cli\u003eProperly sized breather inlets and location for optimum engine breathing\u003c\/li\u003e\n\u003cli\u003eUnique design maximizes breather volume and allows for easy servicing\u003c\/li\u003e\n\u003cli\u003eBreather bodies have five drain ports located on the inside floor, they are chamfered on inner diameter to allow easy drainage yet squared off on exits to prevent filling from splash oil\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FEULING PARTS","offers":[{"title":"Default Title","offer_id":43095169433705,"sku":"0930-0239","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/files\/E035A0C6-7F8D-45B0-B77B-02AA17F3AD5D.png?v=1775173255"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/9760\/1897\/collections\/5B07230B-CF59-4627-B85D-43BD058BDA83.png?v=1775222466","url":"https:\/\/road-rage-bikeworks.myshopify.com\/collections\/heads-parts.oembed","provider":"Road Rage Bikeworks","version":"1.0","type":"link"}