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AFR CNC Ported BB Chev 335cc Magnum Alloy Cylinder Heads Competition Package 121cc Chamber

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50.00 KGS
Usually shipped within 24hrs*
Calculated at checkout

 Product Description

AFR CNC Ported 335cc Magnum Aluminium Cylinder Heads Competition Package 121cc Combustion Chamber. Suit B/B Chev

Are you looking for big torque and big horsepower number? AFR's BB Chevy line of medium volume intake runners will provide you with exactly that. The phrase "having your cake and eating it to" would certainly be appropriate with their moderately sized intake runners producing tremendous flow figures across the entire lift range (CNC 335 flows 410 CFM!). These high flow/high velocity ports provide extreme versatility and fill the needs of many applications. From a max-effort high compression 454 to a 605 CID low rpm marine application, either one of these cylinder heads would be a great choice. These heads would also be ideal in a larger cubic inch "Pro-Street" application with their broad torque range, as well as significant rpm and horsepower capability. These heads will work best with a primary operating range of 3000-7000 rpm's (This range is an average and will vary with engine displacement as well as component selection). Both the 325cc and the 335cc come standard with AFR's trademark .750" thick head deck, reinforced rocker stud bosses, and are equipped with premium one piece stainless steel 2.300" intake valves and 1.880" exhaust valves. Standard combustion chamber volume is 121cc for our 335cc BBC. Properly selecting the correct cylinder head for an application depends on a large number of variables.
Basic Package Components:

    5-angle valve job
    100% CNC Ported Chambers, Exhaust, and Intake
    Intake Valve, 2.300" stainless steel
    Exhaust Valve, 1.880" stainless steel
    1.625 O.D. Roller Dual Valve Spring with dampener 255 lbs. on seat, .750" maximum lift
    10° Chrome Moly Retainer
    10° Valve Locks
    Guide Plates
    Viton Valve Seals
    Hardened Spring Cup
    Intake Valve Seats
    Exhaust Valve Seats
    Bronze Valve Guides Intake
    Bronze Valve Guides Exhaust
    AFR BB Chevy 7/16 Exhaust Studs
    AFR BB Chevy 7/16 Intake Studs

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