Cylinder Heads Chevy 190cc Aluminum Bare (Pair)

Description

Chevy 190cc , 64cc ALUMINUM Cylinder Heads-(Pair) BARE.

265, 283, 302DZ, 307, 327, 350, 383, 400 Chevy Small Block
 Street, Performance, Short Track, Restricted Oval up to 6500rpm. 

This Pair of Factory New Aluminum cylinder heads offer these features;
Aircraft grade 356A Aluminum Alloy Heat treated to T-6 specifications,
23 Degree Valve Angle,   High Flow 190cc Intake Ports
1.125″ Wide x 2.230″ Tall Intake Openings
64cc Combustion Chamber , Open Chambers ,Fits All OEM Bolt Pattern Manifolds
7 Bolt Exhaust Flange,  Square Port Exhaust
Centerbolt and Outside Valve Cover Bolt Patterns,
Bronze Valve Guides,  Angled Plugs (use AGF-22), 3 Angle Cut Stellite Valve Seats Hardened,
Seats are Machined for 2.020″/+0.100 & 1.600″/+0.100 Valves, 11/32″ stem.

Spring: Intake, 130lbs @ 1.820    Exhaust, 145lbs @ 1.760,  .550 Max Lift , Coil binds @ 730lbs. 

Machined to accept high performance large diameter dual valve springs.
400″ thick deck can be milled down to 54cc.
Spring Pocket can be cut to 1.625-no deeper! 
Uses Felpro 1206 or Larger Intake Gaskets 
Uses Felpro 1003 Head Gasket Set
 Heads are drilled with all OEM accessory bolt holes.

Flows: Test Data @28″ of water, (according to manufacurer).