Pontiac - Race The next Level

          
 
 
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Old 08-16-2009, 01:06 AM
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NHRASuperStock455SD NHRASuperStock455SD is offline
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Default RamAirV castings

Unmachined

Notes:

*raised intake runners to reduce short side radius.
*reduced CSA, but larger capable size for larger engines
*significant improvement on exhaust
*efficient modern combustion chamber
*more room for porting
*11/32 valve stems instead of 3/8
*short side radius technology
*significantly less bronze guide protrusion
*protruded intake runner to accept stock intake location
*improved spark plug location
*improved water jackets to eliminate head gasket issues.
*complete area for shaft or stud rockers
*maintained CSA around pushrod area
*OAL valves only 5.700 inches
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