E-Street Cylinder Heads SB Ford 289-351 1.90" Intake - Satin
E-Street cylinder heads are designed for Ford 289-351 W V8 applications. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improved efficiency. For use on pre-pollution controlled vehicles only. INSTALLATION NOTES: bull; Ideal for operating in the idle to 5500 rpm range bull; Use with hydraulic flat tappet camshafts, .550" maximum lift - not compatible with hydraulic roller camshafts bull; 289-302 with 7/16" head bolts require #9680 head bolt kit bull; 1.90" heads are ideal for stock pistons bull; Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. bull; Requires hardened push rods. 289-302 c.i.d. with 7/16" head bolts requires #9680 head bolt bushing kit.