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AFR SBC 245 NPP Competition Cylinder Heads

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RRP:
$2,724.99
Your Price:
$2,639.99 (You save $85.00)
SKU:
AFR-113X
Weight:
70.00 LBS
Shipping:
Calculated at checkout
Quantity:


Product Description

AFR 245 NPP SB Chevrolet Competition Racing Cylinder Head 

Performance like a raised runner head

The Air Flow Research small bock Chevrolet 245 NPP head is best suited for max effort competition applications, but larger displacement 427+ pump gas engines could consider this head as well. This exciting product represents AirFlow's best flowing 23° SBC head to date and while flow numbers may reflect a very good 18° head of the past, this head is still a conventional direct bolt on, non-raised runner intake port configuration. It will drop on your 23° shortblock as easily as our 227 or 235 SBC products and shares indentical valve centerlines and rocker stud locations to both of those heads. However, unlike the 227 and 235 heads, this product will not accept stud mount style rockers and a shaft mount rocker system with a .180" offset intake lifter is required

Larger diameter 3/8" pushrods fit these castings without additional clearancing. This is primarily due to the fact we enlarged and widened the pushrod pinch removing that checkpoint in the entrance of the intake allowing us to design a port with a more direct shot at the back of the valve that also has a more consistent cross sectional area and velocity profile.

The AFR 245 NPP heads utilize 8mm x 2.125" intake and 1.600" exhaust valves with PAC racing solid roller valve springs as standard equipment. In addition, this head comes standard with a 3/4" thick deck for gasket retention and stability. The exhaust port is raised .250" over GM L98 head

245cc SBC Aluminum Cylinder Head Flow Chart

SPECIFY CHAMBER SIZE:

PART NUMBER: AFR-1137 70cc Chamber

PART NUMBER: AFR-1138 80cc Chamber

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