These are cast from virgin A356 aluminum and are heat treated to T6 specs. They are manufactured using their gravity casting process, which ensures a more uniform and robust casting. This provides a strong platform for you to build on. The valve train has been upgraded from the factory pedestal mount system to a 7/16 screw-in stud and a 3/8 pushrod slot guide plate for increased valve train stability.This complete assembled pair of heads includes the following premium ProComp components: ProComp 2.075, 1-piece stainless steel intake valves and ProComp 1.680, 1-piece stainless exhaust valves, 1.460 o. Dual valve springs, which are 130-135 lbs. On the seat & 320 lbs. 600 lift with Chromolly 10 degree retainers, 10 degree machined valve locks, & over the guide stationary valve seals with heat treated valve spring shims. We feel that this is an affordable aluminum head for the Oldsmobile Street/Strip (Bracket Racer) and marine enthusiast. These heads are similar to the Edelbrock Oldsmobile cylinder heads, at a much reduced cost. REMEMBER OLDS ROCKET PARTS OFFERS 7 DAYS A WEEK TECH SERVICE.
YOU ARE WELCOME TO CALL IN ANY TIME FOR ANY QUESTION. WE HAVE OVER 15 YEARS EXPERIENCE IN BUILDING OLDS ENGINES. WE FEEL EVENINGS AND WEEKENDS IS WHEN MOST CUSTOMERS ARE BUILDING THERE MOTORS. THIS IS WHY WE OFFER THIS TECH SERVICE. ALSO THIS WAY YOU MAKE SURE YOU ORDER THE RIGHT PARTS AND INSTALL THEM CORRECTLY.WE ARE NOT IN ANY WAY MONDELLO S!!! The item "OLDSMOBILE 69 cc ALUMINUM HEADS 330,350,400,425,455" is in sale since Thursday, September 29, 2016.
This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "oldsrocketparts" and is located in Paso Robles, California. 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, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Colombia, Panama, Jamaica, Barbados, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Gibraltar, Guadeloupe, Iceland, Jordan, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Martinique, Maldives, Nicaragua, Oman, Peru, Paraguay, Reunion, Viet nam, Uruguay, Chile.