{"product_id":"8-internally-balanced-bb-chevy-396-427-race-damper","title":"8\" Internally Balanced BB Chevy 396\/427 Race Damper","description":"\u003cp\u003eChevy Big Block 396\/427 Damper. These two dampers are unique in our line in one respect. They are the only damper not made to the original factory diameter. The original 396\/427 dampers were 7\" in diameter from G.M. When the 454 came out, G.M. switched to an 8\"damper. We elected to use the 8-inch diameter on our 396\/427 model to maintain consistency and also because we use these dampers in conjunction with a bolt-in counterweight to create the 454\/502 model. Although we list this as a 396\/427 damper, it will also work on any displacement big block engine that has a neutral balance rotating assembly. These dampers feature 60.\u003c\/p\u003e","brand":"Professional Products","offers":[{"title":"Default Title","offer_id":46059432083516,"sku":"90004","price":213.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/90005.png?v=1787699026","url":"https:\/\/rpm-racing.com\/products\/8-internally-balanced-bb-chevy-396-427-race-damper","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}