Cast Iron Vortec Cylinder Head for 1996-2002 Small Block Chevy 350 5.7L

JEGS 555-514080 Vortec Cast Iron Cylinder Head Features:
OE-Style Cast Iron construction
Fits all 1955-2002 Chevy small blocks except LT1, LT4, and LS-style engines
Fast-burn combustion chambers and high-velocity intake and exhaust ports
Performs great right out of the box; can be mildly ported and milled up to 0.040 inch
Requires a Vortec-style intake manifold
Specifications: 1.940 in. intake valve | 1.500 in. exhaust valve | 170cc intake ports
0.475 in. max lift | Straight spark plug design | 3/8 in. rocker arm studs
64cc combustion chambers | 1.250 in. O.D. valve springs
Emissions Note: For use on Uncontrolled (Non-Emissions Controlled) Vehicles or closed competition racing only.