{"product_id":"yhb-solid-motor-mount-combo-for-chevy-sbc-bbc-frame-mount-kit-gm-3990914-replaces","title":"YHB Solid Motor Mount Combo for Chevy SBC \u0026 BBC – Frame Mount Kit (GM 3990914 Replaces)","description":"\u003cdiv class=\"seo-copy\"\u003e\n  \u003cp\u003eUpgrade the reliability and control of your small‑block Chevy with YHB's Solid Motor Mount Combo. Crafted from solid steel, these mounts replace the stock rubber units to reduce engine movement during aggressive driving, street sessions, or custom builds. In high‑torque scenarios, solid mounts help preserve linkage alignment and improve overall response, making your ride feel more predictable without overpromising results. Whether you’re building a rat rod or a hot street machine, this kit offers a sturdy, no‑nonsense mounting foundation.\u003c\/p\u003e\n  \u003ch3\u003eWhat’s included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2 solid motor mounts (steel construction)\u003c\/li\u003e\n    \u003cli\u003e2 solid steel chassis pads\u003c\/li\u003e\n    \u003cli\u003eDirect replacement for GM OEM part #3990914\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eKey benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReduces engine movement and potential torque loss in high‑performance setups\u003c\/li\u003e\n    \u003cli\u003eSolid steel design withstands demanding use in custom builds\u003c\/li\u003e\n    \u003cli\u003eSimple upgrade path for classic GM small‑block platforms\u003c\/li\u003e\n    \u003cli\u003eEnhances engine stability and linkage consistency in tough driving conditions\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eFitment \u0026amp; specs\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplaces GM OEM part #3990914\u003c\/li\u003e\n    \u003cli\u003eMotor mounts: center distance 2-5\/16\" x 5-1\/16\", center height 2\", frame surface to hole center 1\", sleeve width 2-3\/8\"\u003c\/li\u003e\n    \u003cli\u003eChassis pads: center distance 2-5\/16\" x 5-1\/16\", center height 2\", frame-to-hole distance 1\", sleeve width 2-3\/8\"\u003c\/li\u003e\n    \u003cli\u003eCompatible models include 1974-1981 Camaro \u0026amp; Firebird (307\/350), 1973-1988 Chevelle\/Malibu\/Monte Carlo\/El Camino (307‑454), 1973-1979 Nova (307\/350), and 1976-1990 Impala\/Caprice (307\/350)\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eReal‑world use cases\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRat rods and hot street builds where a solid mounting base supports precise alignment\u003c\/li\u003e\n    \u003cli\u003eCustom chassis projects needing a sturdy, reliable foundation for performance tuning\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eNote: This product targets a subset of GM small‑block Chevys and is not a universal replacement. For best results, verify fitment with your engine and frame and follow standard installation practices. The statement above suggests potential improvements in stability and control, not guaranteed outcomes, and depends on overall setup and installation quality.\u003c\/p\u003e\n\u003c\/div\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: What’s included in the YHB Solid Motor Mount Combo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes two solid motor mounts and two solid steel chassis pads for SBC\/ BBC applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What vehicles and years does it fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatibility includes 1958-1981 GM small-block Chevys and models like Camaro, Firebird, Chevelle, Malibu, Monte Carlo, El Camino, Nova, and Caprice.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YHB","offers":[{"title":"Default Title","offer_id":42468724899925,"sku":"B09VGPLC8S","price":62.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/yhb-solid-motor-mount-combo-sbc-bbc.jpg?v=1778079817","url":"https:\/\/plentytorque.co.uk\/products\/yhb-solid-motor-mount-combo-for-chevy-sbc-bbc-frame-mount-kit-gm-3990914-replaces","provider":"PlentyTorque","version":"1.0","type":"link"}