NEW SB CHEVY/PONTIAC 23* ALUMINUM HEADS
These are raised runner heads
23* Pontiac casting # 10045434
These are 60/40 valve spacing
2.125 - 1.600 valve job by M&M Porting Service
5/16 - 11/32 bronze valve guides
Angle milled to 52cc chambers - 21.5*
Ported by M&M Porting Service
325cfm @ .800 on intake,236cfm @ .800 on exhaust
$2,000.00 plus shipping
EMAIL: [email protected]
PHONE: 865-567-6943