Bolts to centerbolt heads allowing user to use standard valve covers and stud girdles, O-ring seal on head side, Use standard gaskets on valve cover side, Compatible with'60-'86 "straight bolt" &'55-'59 staggered bolt valve covers, Will not work with aluminum roller rocker arms. Valve Cover Adapter for Center Bolt Heads. As you know, you can't run a stud girdle when using centerbolt valve covers. These handy adaptors simply bolt to your centerbolt heads which allows you to use standard valve covers and stud girdles.
O-ring seal on head side. Use standard gasket on valve cover side. Has bolt holes to use with early'60-'86 "straight bolt" valve covers as well as'55-'59 staggered bolt valve covers.
Will not work with aluminum roller rocker arms. California Customers: This part has been identified as emissions sensitive and can only legally be installed on race-use only vehicles, off-road-use only vehicles, or pre-1965 vehicles in the State of California in accordance with the California Air Resource Board (CARB) requirements. Made to mount "perimeter" style valve covers on'86-newer heads. By Pj on August 30, 2020.
Fit like they were suppose to fit! Never dissatisfied with speedway products or customer service. Yes, I recommend this product.By Rex on May 16, 2020. 5.7 center bolt to outer small block Chevy fit great. Great product best i have seen for this use. By jimmy on December 20, 2019.
They are a quality part fitment was good adapts center bolt heads to perimeter bolt can be used with roller rockers but may need to clearance near push rods. By PS on July 19, 2019. Works with early and late Gen I valve covers. By Pyrex on June 18, 2019. Related Items / Suggested Parts.Speedway Small Block Chevy Steel Core Valve Cover Gaskets, Pre-1986. Valve Cover Hold Down Clamps - Set of 8, Black. Replacement O-Ring for Center Bolt Valve Cover Adapter.
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The item "Speedway Center Bolt Vortec to Perimeter Valve Cover Adapters 305 350 SBC Chevy" is in sale since Monday, March 30, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Valve Covers". The seller is "speedway_motors" and is located in Lincoln, Nebraska. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.