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Valve Spring Alert

ATTENTION: Valve Spring Warning for All Packages

On all complete assembly packages, it is very possible that the valve springs are not correct for your camshaft. All valve springs should be checked for compatibility to your camshaft. Severe wear of valve train components and severe engine damage could result from failure to do this. Check spring requirements before heads are installed on the engine. If in doubt please contact your camshaft manufacturer or USA Performance Parts. We do carry optional springs for all of your needs.


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Pro1 LS1 Cylinder Heads 205 & 225 Port Volume Assembly, each

$798.50
Dart's LS1 "as cast" heads flow as much as fully ported heads at a fraction of the cost. They come bowl blended and competition valve jobbed for use right out of the box. Flowing 298 cfm (205cc runner - 2.02 valves) and 313 cfm (225cc runner - 2.055 valves) at .600" lift this set of heads give True Bolt-on horsepower.

We Specialize in Custom Assemblies with Upgraded Springs, Valves & Retainers

Click here for a Flow Chart.

Part NumberDescriptionPort Vol.Cham. Vol.Int/Exh ValvesSpring Dia.RetainerSpring TypePriceIn stockPurchase
11011112 Assembly205622.02/1.601.290SSteelConical$798.50Yes
11011113 Assembly205622.02/1.601.290DTitDual$849.50Yes
11021122 Assembly225622.05/1.601.290SSteelConical$798.50Yes
11021123 Assembly225622.05/1.601.290DTitDual$849.50Yes

For Technical Information please click here.
This product was added to our catalog on Sunday 02 October, 2005.
 
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