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AFR 345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads - Big Block Chevrolet

AFR2110
BB-Chevy, 117cc Combustion Chambers, 1.625'' Valve Spring, 275 lbs. Seat Pressure, .850'' Max Lift, 50% CNC Combustion Chambers, Assembled, Sold in Pairs, 2 Pack
Limited Supply: only 2 remaining
Availability: Same Day Shipping!
Shipping: FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.
Was: $2,573.00
Sale: $2,495.81
Save: 3%
Save: $77.19
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Description

If huge horsepower is what you are searching for, the 345 can certainly deliver. These cyilnder heads were targeted at larger cubic inch engines, 509-632ci, looking for maximum horsepower and rpm capability with a primary operating range of 3500-8000 rpm's (This range is an average and will vary with engine displacement and component selection). As well, these aluminum heads provide impressive torque figures at higher rpm levels, so higher reving 450+ cubic inches can benefit from the efficient runner. Blown, turbo, and nitrous engines will especially like the larger, higher flowing intake ports. AFR BBC 345cc cylinder heads will work best with camshafts around the .750+ gross valve lift mark to make better use of the substantial airflow found in the higher lift range. The 345cc come standard with AFR's trademark .750'' (3/4'') thick cylinder head deck, reinforced rocker stud bosses, premium one-piece stainless steel 2.300'' intake valves and 1.880'' exhaust valves. Combustion chamber volume is 117cc or 121cc and can be milled as lower if necessary. Take note the higher flowing exhaust ports and bolt pattern are raised .375'' (3/8'') over stock location, this rarely affects header or chassis fitment. Made in US

. Installation Notes: Optional stud girdle required for 2° rolled valve angles and 1'' longer head bolt needed on four bottom exhaust bolt holes. Longer pushrods may also be required.

  • 345cc Rectangle Port Magnum Cylinder Head Features: 50% Partially or 100% Fully CNC Ported Combustion Chambers
  • Bowl Blended Exhaust Ports
  • Bowl Blended Intake Ports
  • Competition 5-angle Valve Job
  • 345cc Intake Ports
  • Intake Valve, 2.300'' x 5.500'' Overall Valve Length
  • Exhaust Valve, 1.880'' x 5.442'' Overall Valve Length
  • 1.625'' OD PAC Racing Solid Roller Valve Spring, 275 lbs on seat, .850'' maximum lift
  • 10° Manley 4140 Chrome Moly Retainers
  • 10° Valve Locks
  • 7/16'' Rocker Studs
  • Adjustable 3/8'' Guide Plates Viton Valve Seals
  • Hardened Spring Seats
  • Intake Valve Seats
  • Exhaust Valve Seats
  • Bronze Valve Guides

    Pit Stop USAoffers AFR 345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads - Big Block Chevrolet 2110 at low everyday prices. Be sure to check out all of our products from Air Flow Research including AFR Big Block Chevrolet Aluminum Cylinder Heads.

    Pit Stop USAoffers AFR 345cc Rectangle Port 24° Magnum Aluminum Cylinder Heads - Big Block Chevrolet 2110 at low everyday prices. Be sure to check out all of our products from Air Flow Research including AFR Big Block Chevrolet Aluminum Cylinder Heads.
  • Details

    • AFR2110
    • AFR2110
    • Airflow Research (AFR)
    • Available
    • Same Day Shipping!
    • New

    Shipping Information

    • Item Requires Shipping
    • 91.4 lbs.
    • W19.6000” x H8.6000” x L23.3000”
    • Shipping
    • FREE SHIPPING! Oversized / Overweight Fees Waived On This Item! Ships from Michigan.

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