{"product_id":"busidn-3-hp-9-tooth-mini-starter-for-chevy-153-168-tooth-flywheels-3-75-1-gear-reduction-cast-aluminum","title":"BUSIDN 3 HP 9-Tooth Mini Starter for Chevy 153\/168-Tooth Flywheels — 3.75:1 Gear-Reduction, Cast-Aluminum","description":"\u003cp\u003e\u003cstrong\u003eBUSIDN's 3 HP 9-tooth mini starter is a high-torque, gear-reduction starter designed to replace factory starters on Chevrolet small- and big-block V6\/V8 engines with 153- or 168-tooth flywheels.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty mini starter delivers 3.0 horsepower through a 3.75:1 gear-reduction drive, packaged in a mid-size cast-aluminum housing with a billet-aluminum adjustable mounting block. Built for race and performance applications, it fits many GM engines from 262 cu in small blocks up to 454 cu in big blocks and supports both automatic and manual transmissions. The unit is OSGR-style, 12-volt, clockwise rotation, and accommodates up to an 11.0:1 compression ratio.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Chevrolet engines will this starter fit?\u003c\/h3\u003e\n\u003cp\u003eThe BUSIDN mini starter is engineered to replace OE starters on a wide range of Chevy V6 and V8 engines. It supports both small-block Gen I and big-block Gen II\/Gen V\/Gen VI variants, covering common displacements used in street and race builds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall-block V8s: 262–350–307–327–350 cu in displacements (4.3 L–5.7 L)\u003c\/li\u003e\n  \u003cli\u003eBig-block V8s: 396–402–427–454 cu in (6.5 L–7.4 L) including Vortec 7400\u003c\/li\u003e\n  \u003cli\u003eCompatible with 153-tooth or 168-tooth flywheels and with A\/T or M\/T setups\u003c\/li\u003e\n  \u003cli\u003eReplaces part numbers: JM7001R, JM7001BK, 18493N, PP106, PE106, and others\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the gear reduction and 9-tooth pinion benefit starting performance?\u003c\/h3\u003e\n\u003cp\u003eThe 3.75:1 gear-reduction multiplies torque at the pinion, giving stronger cranking force while drawing moderate current. The 9-tooth pinion balances engagement reliability with compact sizing, helping it turn high-compression engines more effectively than direct-drive starters of similar package size.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3.0 HP rating for robust cranking power\u003c\/li\u003e\n  \u003cli\u003e3.75:1 reduction increases torque at the flywheel engagement point\u003c\/li\u003e\n  \u003cli\u003e0.988 in (25.1 mm) gear outer diameter for solid pinion contact\u003c\/li\u003e\n  \u003cli\u003eClockwise rotation and OSGR-style engagement for common Chevy applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the construction and installation details I should know?\u003c\/h3\u003e\n\u003cp\u003eThe starter uses a cast-aluminum housing for reduced weight and heat dissipation, paired with a billet-aluminum adjustable mounting block to help align the starter to varying bellhousing and flywheel offsets. It is a mid-size starter intended for performance or race installations; professional installation is recommended to ensure correct fitment and solenoid wiring.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStarter housing: cast aluminum for lightness and durability\u003c\/li\u003e\n  \u003cli\u003eMounting block: billet aluminum with adjustability for alignment\u003c\/li\u003e\n  \u003cli\u003eElectrical: 12V system, clockwise rotation, heavy-duty OSGR solenoid design\u003c\/li\u003e\n  \u003cli\u003eInstallation: instructions not included; professional installation advised\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The BUSIDN 3 HP 9-tooth mini starter is intended for automotive enthusiasts, racers, and mechanics who need a compact, powerful replacement starter for Chevrolet small- and big-block engines. It suits high-compression builds and performance swaps where stronger cranking, lighter weight, and durable construction matter. Choose this unit when you want a gear-reduction starter that fits 153- or 168-tooth flywheels, replaces common aftermarket part numbers, and offers adjustable mounting for precise installation alignment.\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 work with 153-tooth and 168-tooth flywheels?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The BUSIDN mini starter is compatible with both 153-tooth and 168-tooth flywheels for Chevy V6\/V8 applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What compression ratios can this starter handle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This unit supports engines up to an 11.0:1 compression ratio when installed correctly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BUSIDN","offers":[{"title":"Default Title","offer_id":67584944144569,"sku":"B09TNM4CMX","price":234.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/busidn-mini-starter-front-view_50cf681b-118a-4331-8a8e-be1341244e27.jpg?v=1790460290","url":"https:\/\/redleafauto.ca\/products\/busidn-3-hp-9-tooth-mini-starter-for-chevy-153-168-tooth-flywheels-3-75-1-gear-reduction-cast-aluminum","provider":"Redleaf Auto","version":"1.0","type":"link"}