GTP Stage 2 5.3 head
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Joined: Sep 2001
Posts: 119
From: Bartlett, Illinois
GTP Stage 2 5.3 head
GTP Stage 2 5.3L Port and Polished heads;
11:1 Compression milled at 0.15
Ferrera valves 2.02 and 1.57
Absolute Speed flowed these and came up with .290 CFM at .550
Patriot Gold Dual Springs Come with the heads.
Only Issue with the heads are they look like a spark plug tip broke off and scored up one combustion chamber. Easy Fix, however doesn’t affect performance really so it is possible to just bolt them on as is.
$850 Shipped
11:1 Compression milled at 0.15
Ferrera valves 2.02 and 1.57
Absolute Speed flowed these and came up with .290 CFM at .550
Patriot Gold Dual Springs Come with the heads.
Only Issue with the heads are they look like a spark plug tip broke off and scored up one combustion chamber. Easy Fix, however doesn’t affect performance really so it is possible to just bolt them on as is.
$850 Shipped
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