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Forum: Pontiac - Race 10-11-2020, 05:43 AM
Replies: 4
Views: 926
Posted By steve25
Don't waste your time, as the tulip back side of...

Don't waste your time, as the tulip back side of the True RA4 type Intake valves will work against you in a running Factory D ported headed motor flow wise, plus a Titanium valve can not be run in...
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