{"product_id":"usa-standard-ring-pinion-gear-set-for-gm-12-bolt-car-in-a-3-90-ratio","title":"USA Standard Ring \u0026 Pinion Gear Set For GM 12 Bolt Car in a 3.90 Ratio","description":"USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.\n\u003cul\u003e\n  \u003cli\u003eFits GM 12 bolt passenger car\u003c\/li\u003e\n  \u003cli\u003e8.875\" ring gear diameter\u003c\/li\u003e\n  \u003cli\u003e12 ring gear bolts\u003c\/li\u003e\n  \u003cli\u003e30 spline pinion\u003c\/li\u003e\n  \u003cli\u003e3.90 ratio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Yukon Gear \u0026amp; Axle USA Standard Ring \u0026amp; Pinion Gear Set is engineered to surpass OEM specifications, providing durable and reliable performance for your GM 12 bolt rear axle. Crafted with rigorous in-house quality evaluation, this set ensures precise fitment, optimal material integrity, and consistent performance. Designed for enthusiasts seeking a high-quality upgrade, this gear set is ideal for restoring or enhancing the performance of classic GM vehicles. It features a 8.875-inch ring gear diameter, 12 ring gear bolts, and a 30 spline pinion, making it suitable for various muscle cars and vintage models. Whether you're restoring a 1970s Pontiac Firebird or a Chevrolet Camaro, this gear set delivers the strength and precision needed for spirited driving and street performance. The 3.90 gear ratio strikes a balance between acceleration and highway cruising, making it a versatile choice for street enthusiasts and collectors alike. Installation requires basic mechanical skills, and the set is compatible with several classic models including the Pontiac GTO and Chevrolet Nova. Trust Yukon Gear \u0026amp; Axle for high-quality components that meet or exceed OEM standards, ensuring your vehicle performs reliably on the road for years to come.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned to exceed OEM specifications for durability and performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFits GM 12 bolt passenger car axles with 8.875-inch ring gear diameter\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes 12 ring gear bolts for secure assembly\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e30 spline pinion for enhanced strength and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eGear ratio of 3.90 for balanced acceleration and highway cruising\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRigorous quality evaluation ensures precise fitment and material integrity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for classic vehicles such as Pontiac Firebird, Chevrolet Camaro, Nova, and GTO\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nBuick Wildcat Base 1964\u003cbr\u003e\nBuick Wildcat Base 1965\u003cbr\u003e\nBuick Wildcat Base 1966\u003cbr\u003e\nBuick Wildcat Base 1967\u003cbr\u003e\nBuick Wildcat Base 1968\u003cbr\u003e\nBuick Wildcat Base 1969\u003cbr\u003e\nBuick Wildcat Custom 1965\u003cbr\u003e\nBuick Wildcat Custom 1966\u003cbr\u003e\nBuick Wildcat Custom 1967\u003cbr\u003e\nBuick Wildcat Custom 1968\u003cbr\u003e\nBuick Wildcat Custom 1969\u003cbr\u003e\nBuick Wildcat Custom 1970\u003cbr\u003e\nBuick Wildcat Deluxe 1965\u003cbr\u003e\nBuick Wildcat Gran Sport 1966\u003cbr\u003e\nChevrolet Bel Air Base 1964\u003cbr\u003e\nChevrolet Bel Air Base 1965\u003cbr\u003e\nChevrolet Bel Air Base 1966\u003cbr\u003e\nChevrolet Bel Air Base 1967\u003cbr\u003e\nChevrolet Bel Air Base 1968\u003cbr\u003e\nChevrolet Bel Air Base 1969\u003cbr\u003e\nChevrolet Bel Air Base 1970\u003cbr\u003e\nChevrolet Bel Air Base 1971\u003cbr\u003e\nChevrolet Bel Air Base 1972\u003cbr\u003e\nChevrolet Biscayne Base 1964\u003cbr\u003e\nChevrolet Biscayne Base 1965\u003cbr\u003e\nChevrolet Biscayne Base 1966\u003cbr\u003e\nChevrolet Biscayne Base 1967\u003cbr\u003e\nChevrolet Biscayne Base 1968\u003cbr\u003e\nChevrolet Biscayne Base 1969\u003cbr\u003e\nChevrolet Biscayne Base 1970\u003cbr\u003e\nChevrolet Biscayne Base 1971\u003cbr\u003e\nChevrolet Biscayne Base 1972\u003cbr\u003e\nChevrolet Camaro Base 1967\u003cbr\u003e\nChevrolet Camaro Base 1968\u003cbr\u003e\nChevrolet Camaro Base 1969\u003cbr\u003e\nChevrolet Camaro Base 1970\u003cbr\u003e\nChevrolet Camaro Base 1971\u003cbr\u003e\nChevrolet Camaro Base 1972\u003cbr\u003e\nChevrolet Camaro RS 1967\u003cbr\u003e\nChevrolet Camaro RS 1968\u003cbr\u003e\nChevrolet Camaro RS 1969\u003cbr\u003e\nChevrolet Camaro RS 1970\u003cbr\u003e\nChevrolet Camaro RS 1971\u003cbr\u003e\nChevrolet Camaro RS 1972\u003cbr\u003e\nChevrolet Camaro SS 1967\u003cbr\u003e\nChevrolet Camaro SS 1968\u003cbr\u003e\nChevrolet Camaro SS 1969\u003cbr\u003e\nChevrolet Camaro SS 1970\u003cbr\u003e\nChevrolet Camaro SS 1971\u003cbr\u003e\nChevrolet Camaro SS 1972\u003cbr\u003e\nChevrolet Camaro Z28 1967\u003cbr\u003e\nChevrolet Camaro Z28 1968\u003cbr\u003e\nChevrolet Camaro Z28 1969\u003cbr\u003e\nChevrolet Camaro Z28 1970\u003cbr\u003e\nChevrolet Camaro Z28 1971\u003cbr\u003e\nChevrolet Camaro Z28 1972\u003cbr\u003e\nChevrolet Caprice Base 1966\u003cbr\u003e\nChevrolet Caprice Base 1967\u003cbr\u003e\nChevrolet Caprice Base 1968\u003cbr\u003e\nChevrolet Caprice Base 1969\u003cbr\u003e\nChevrolet Caprice Base 1970\u003cbr\u003e\nChevrolet Chevelle 300 1967\u003cbr\u003e\nChevrolet Chevelle 300 1968\u003cbr\u003e\nChevrolet Chevelle 300 Deluxe 1967\u003cbr\u003e\nChevrolet Chevelle 300 Deluxe 1968\u003cbr\u003e\nChevrolet Chevelle 300 Deluxe 1969\u003cbr\u003e\nChevrolet Chevelle Base 1964\u003cbr\u003e\nChevrolet Chevelle Base 1965\u003cbr\u003e\nChevrolet Chevelle Base 1966\u003cbr\u003e\nChevrolet Chevelle Base 1967\u003cbr\u003e\nChevrolet Chevelle Base 1968\u003cbr\u003e\nChevrolet Chevelle Base 1970\u003cbr\u003e\nChevrolet Chevelle Base 1971\u003cbr\u003e\nChevrolet Chevelle Base 1972\u003cbr\u003e\nChevrolet Chevelle Concours 1967\u003cbr\u003e\nChevrolet Chevelle Concours 1968\u003cbr\u003e\nChevrolet Chevelle Concours 1969\u003cbr\u003e\nChevrolet Chevelle Concours 1970\u003cbr\u003e\nChevrolet Chevelle Concours 1971\u003cbr\u003e\nChevrolet Chevelle Concours 1972\u003cbr\u003e\nChevrolet Chevelle Concours Estate 1969\u003cbr\u003e\nChevrolet Chevelle Concours Estate 1970\u003cbr\u003e\nChevrolet Chevelle Concours Estate 1971\u003cbr\u003e\nChevrolet Chevelle Concours Estate 1972\u003cbr\u003e\nChevrolet Chevelle Deluxe 1965\u003cbr\u003e\nChevrolet Chevelle Deluxe 1966\u003cbr\u003e\nChevrolet Chevelle Deluxe 1967\u003cbr\u003e\nChevrolet Chevelle Greenbrier 1969\u003cbr\u003e\nChevrolet Chevelle Greenbrier 1970\u003cbr\u003e\nChevrolet Chevelle Greenbrier 1971\u003cbr\u003e\nChevrolet Chevelle Greenbrier 1972\u003cbr\u003e\nChevrolet Chevelle Malibu 1968\u003cbr\u003e\nChevrolet Chevelle Malibu 1969\u003cbr\u003e\nChevrolet Chevelle Malibu 1970\u003cbr\u003e\nChevrolet Chevelle Malibu 1971\u003cbr\u003e\nChevrolet Chevelle Malibu 1972\u003cbr\u003e\nChevrolet Chevelle Nomad 1968\u003cbr\u003e\nChevrolet Chevelle Nomad 1969\u003cbr\u003e\nChevrolet Chevelle Nomad 1970\u003cbr\u003e\nChevrolet Chevelle Nomad 1971\u003cbr\u003e\nChevrolet Chevelle Nomad 1972\u003cbr\u003e\nChevrolet Chevelle SS 1964\u003cbr\u003e\nChevrolet Chevelle SS 1965\u003cbr\u003e\nChevrolet Chevelle SS 1966\u003cbr\u003e\nChevrolet Chevelle SS 1967\u003cbr\u003e\nChevrolet Chevelle SS 1968\u003cbr\u003e\nChevrolet Chevelle SS 1969\u003cbr\u003e\nChevrolet Chevelle SS 1970\u003cbr\u003e\nChevrolet Chevelle SS 1971\u003cbr\u003e\nChevrolet Chevelle SS 1972\u003cbr\u003e\nChevrolet Chevy II Base 1964\u003cbr\u003e\nChevrolet Chevy II Base 1965\u003cbr\u003e\nChevrolet Chevy II Base 1966\u003cbr\u003e\nChevrolet Chevy II Base 1967\u003cbr\u003e\nChevrolet Chevy II Nova 1964\u003cbr\u003e\nChevrolet Chevy II Nova 1965\u003cbr\u003e\nChevrolet Chevy II Nova 1966\u003cbr\u003e\nChevrolet Chevy II Nova 1967\u003cbr\u003e\nChevrolet Chevy II Nova 1968\u003cbr\u003e\nChevrolet Chevy II Nova SS 1964\u003cbr\u003e\nChevrolet Chevy II Nova SS 1965\u003cbr\u003e\nChevrolet Chevy II Nova SS 1966\u003cbr\u003e\nChevrolet Chevy II Nova SS 1967\u003cbr\u003e\nChevrolet El Camino Base 1965\u003cbr\u003e\nChevrolet El Camino Base 1966\u003cbr\u003e\nChevrolet El Camino Base 1967\u003cbr\u003e\nChevrolet El Camino Base 1968\u003cbr\u003e\nChevrolet El Camino Base 1969\u003cbr\u003e\nChevrolet El Camino Base 1970\u003cbr\u003e\nChevrolet El Camino Base 1971\u003cbr\u003e\nChevrolet El Camino Base 1972\u003cbr\u003e\nChevrolet El Camino Custom 1968\u003cbr\u003e\nChevrolet El Camino Custom 1969\u003cbr\u003e\nChevrolet El Camino Custom 1970\u003cbr\u003e\nChevrolet El Camino Custom 1971\u003cbr\u003e\nChevrolet El Camino Custom 1972\u003cbr\u003e\nChevrolet El Camino SS 1968\u003cbr\u003e\nChevrolet El Camino SS 1969\u003cbr\u003e\nChevrolet El Camino SS 1970\u003cbr\u003e\nChevrolet El Camino SS 1971\u003cbr\u003e\nChevrolet El Camino SS 1972\u003cbr\u003e\nChevrolet Impala Base 1964\u003cbr\u003e\nChevrolet Impala Base 1965\u003cbr\u003e\nChevrolet Impala Base 1966\u003cbr\u003e\nChevrolet Impala Base 1967\u003cbr\u003e\nChevrolet Impala Base 1968\u003cbr\u003e\nChevrolet Impala Base 1969\u003cbr\u003e\nChevrolet Impala Base 1970\u003cbr\u003e\nChevrolet Impala Base 1971\u003cbr\u003e\nChevrolet Impala Base 1972\u003cbr\u003e\nChevrolet Impala SS 1964\u003cbr\u003e\nChevrolet Impala SS 1965\u003cbr\u003e\nChevrolet Impala SS 1966\u003cbr\u003e\nChevrolet Impala SS 1967\u003cbr\u003e\nChevrolet Monte Carlo Base 1970\u003cbr\u003e\nChevrolet Monte Carlo Base 1971\u003cbr\u003e\nChevrolet Monte Carlo Base 1972\u003cbr\u003e\nChevrolet Nova Base 1969\u003cbr\u003e\nChevrolet Nova Base 1970\u003cbr\u003e\nChevrolet Nova Base 1971\u003cbr\u003e\nChevrolet Nova Base 1972\u003cbr\u003e\nPontiac Firebird 350 1969\u003cbr\u003e\nPontiac Firebird 350 HO 1969\u003cbr\u003e\nPontiac Firebird 400 1969\u003cbr\u003e\nPontiac Firebird Base 1969\u003cbr\u003e\nPontiac Firebird Base 1970\u003cbr\u003e\nPontiac Firebird Base 1971\u003cbr\u003e\nPontiac Firebird Base 1972\u003cbr\u003e\nPontiac Firebird Esprit 1970\u003cbr\u003e\nPontiac Firebird Esprit 1971\u003cbr\u003e\nPontiac Firebird Esprit 1972\u003cbr\u003e\nPontiac Firebird Formula 1970\u003cbr\u003e\nPontiac Firebird Formula 1971\u003cbr\u003e\nPontiac Firebird Formula 1972\u003cbr\u003e\nPontiac Firebird Sprint 1969\u003cbr\u003e\nPontiac Firebird Trans Am 1969\u003cbr\u003e\nPontiac Firebird Trans Am 1970\u003cbr\u003e\nPontiac Firebird Trans Am 1971\u003cbr\u003e\nPontiac Firebird Trans Am 1972\u003cbr\u003e\nPontiac GTO Base 1970\u003cbr\u003e\nPontiac GTO Base 1971\u003cbr\u003e\nPontiac GTO Base 1972\u003cbr\u003e\nPontiac GTO The Judge 1970\u003cbr\u003e\nPontiac GTO The Judge 1971","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":53960333623612,"sku":"yukZG GM12P-390","price":350.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/3d7f5d058c8c30c3778709c8c44b77f6.jpg?v=1785785045","url":"https:\/\/necycleshop.com\/products\/usa-standard-ring-pinion-gear-set-for-gm-12-bolt-car-in-a-3-90-ratio","provider":"NE Cycle Shop","version":"1.0","type":"link"}