 NEW!
ATTENTION ALL 5.7 and 6.1 HEMIS!!-- Now available: Dual spring
and valve package.
-Allows use of higher lift and more radical camshafts.
-Uses dual competition type valve springs and titanium retainers
for increased performance and safety...No more dropped valves
Exclusive package ONLY available at Superior Automotive Engineering
Call
for details!. 714.503.1880
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