{"product_id":"a-premium-high-torque-3hp-12v-starter-motor-9-tooth-cw-osgr-with-shim-kit","title":"A-Premium High-Torque 3HP 12V Starter Motor 9-Tooth CW OSGR with Shim Kit","description":"\u003cp\u003e\u003cstrong\u003eThe A-Premium High Torque 3HP starter motor is a 12V, 2.5KW OSGR unit with 9 teeth and clockwise rotation, built to crank small- and big-block Chevy race engines reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for performance and durability, this starter replaces a range of OEM reference numbers and fits Small Block Chevy (SBC) 327, 350, 383 and Big Block Chevy (BBC) 396, 454, 502 engines that use 153- or 168-tooth flywheels. The unit combines a robust high-torque motor with an over-running starter gear (OSGR) design to reduce gear wear, and it ships with a shim kit for proper fitment and alignment.\u003c\/p\u003e\n\n\u003ch3\u003eWill this starter fit my Chevy race engine?\u003c\/h3\u003e\n\u003cp\u003eCompatibility depends on your engine type and flywheel tooth count. This A-Premium starter was engineered for common SBC and BBC race engines and replaces multiple legacy reference numbers for easier cross-referencing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits: Small Block Chevy 327, 350, 383 and Big Block Chevy 396, 454, 502\u003c\/li\u003e\n  \u003cli\u003eWorks with 153- or 168-tooth flywheels\u003c\/li\u003e\n  \u003cli\u003eCross-references: 18493, 22202HI, 41044033, 46835 and others\u003c\/li\u003e\n  \u003cli\u003eIncludes shim kit to adjust centerline and engagement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow powerful and what are the electrical specs?\u003c\/h3\u003e\n\u003cp\u003eThis starter delivers 2.5 kW (approximately 3 horsepower) on a 12V system, giving strong cranking torque for high-compression performance engines. The OSGR design helps protect the starter and ring gear during repetitive starts common in racing and tuning environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower rating: 2.5 kW (3 HP)\u003c\/li\u003e\n  \u003cli\u003eVoltage: 12V — suitable for standard automotive battery systems\u003c\/li\u003e\n  \u003cli\u003eRotation: Clockwise (CW)\u003c\/li\u003e\n  \u003cli\u003eTeeth: 9-tooth pinion, engineered for proper engagement with specified flywheels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat hardware and warranty come with the unit?\u003c\/h3\u003e\n\u003cp\u003eThe package contains the starter motor and a shim kit to help achieve correct clearance and alignment during installation. A-Premium backs the starter with a one-year unlimited-mileage guarantee to support installation confidence and post-sale service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 1x high-torque starter motor and shim kit in a protective box\u003c\/li\u003e\n  \u003cli\u003ePackaging: boxed for safe shipping and storage\u003c\/li\u003e\n  \u003cli\u003eWarranty: one-year unlimited-mileage guarantee from A-Premium\u003c\/li\u003e\n  \u003cli\u003eSupport: parts cross-reference provided for easier replacement selection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install it and what should I check during fitment?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard starter replacement steps: disconnect battery, remove old starter, test clearances, install new starter with supplied shims, and torque mounting hardware to factory specs. Check pinion engagement and starter centerline to avoid premature wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect negative battery terminal before work\u003c\/li\u003e\n  \u003cli\u003eUse shim kit to fine-tune pinion-to-ring gear clearance\u003c\/li\u003e\n  \u003cli\u003eConfirm clockwise rotation and 9-tooth compatibility with your flywheel\u003c\/li\u003e\n  \u003cli\u003eTighten mounting bolts to manufacturer torque values and retest cranking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This A-Premium High Torque 3HP starter is aimed at racers, engine builders, restorers and enthusiasts running Small Block or Big Block Chevy engines that require a robust, high-torque 12V starter with OSGR protection. It’s a practical upgrade for high-compression or race-prepped engines that need reliable cranking, straightforward cross-referencing to legacy numbers, and a one-year guarantee for peace of mind.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this starter fit a 350 SBC with a 153-tooth flywheel?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The A-Premium starter is compatible with SBC 350 engines using a 153-tooth flywheel and includes shims for proper engagement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the rotation and tooth count of this starter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It has clockwise (CW) rotation and a 9-tooth pinion, rated at 2.5 kW on a 12V system.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":48080472670366,"sku":"B0B1V69YKC","price":139.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-premium-starter-front-view_f760bdbf-d86a-4d3d-8117-b736a00a6ad4.jpg?v=1785781719","url":"https:\/\/northtrailauto.ca\/products\/a-premium-high-torque-3hp-12v-starter-motor-9-tooth-cw-osgr-with-shim-kit","provider":"North Trail Auto","version":"1.0","type":"link"}