[blykins]

Rules state that is has to be factory bore/stroke, with up to .060" overbore allowed.

Factory block has to be used, factory heads have to be used.

Valve head diameters are restricted to 1.875" intake and 1.625" exhaust.

Compression ratio is limited at 12:1.

Factory style rockers have to be used. No roller stuff.

Solid flat tappet camshaft, .525" lift at valve.

Weber intake with 48 IDA's.

No electronic ignition.