SB-Chevy 1987-Up 305ci S/R Cast Iron Cylinder Head 170cc Intake Ports

Name: SB-Chevy 1987-Up 305ci S/R Cast Iron Cylinder Head 170cc Intake Ports
Brand: WORLD PRODUCTS
SKU: 955-042750-1
Price: 567.99 USD
Availability: OutOfStock

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

SB-Chevy 305ci S/R Cast Iron Cylinder Heads

170cc Intake Ports
58cc Combustion Chambers
1.940'' Int/1.500'' Exh Valves
1.250'' Valve Springs, .560'' Max Lift for Hydraulic Cam
Assembled, Sold Individually

Perfect for use on 1987-Up 262-307 cubic inch small blocks. 1.940 x 1.500 valves, 170cc intake runner, 1.250' single spring, 100# @ seat, .560' max lift.
Material: High density cast iron
Valve Seats: Integral intake,hardened steel exhaust
Valve Size: 2.020' x 1.600' (1.940' x 1.500' for S/R Torquer 305)
Rocker Arm Studs: 3/8' shank, screw-in style with hex shoulder furnished
Accessory Flange: Stock locations, 7-bolt universal pattern
Included In Assembly: Manley Street Flo stainless steel valves (1-piece forged, with undercut stems and swirl-polished heads), ring and band valve seals, valve springs, Manley 7° chrome moly retainers, keepers.
Recommended Installation Items:
Head Gaskets: Fel-Pro #1003 (265-350) or equivalent.
Puhshrods: OEM can be used. Hardened not required
Spark Plugs: Accepts 14mm-5/8' .460' reach tapered seat or equivalent
Intake Gasket: Fel-Pro #1204 or #1256 or equivalent
Exhaust Gasket: Fel-Pro #1404 or #1405 or equivalent