1987-95 Small Block Chevy S/R Cast Iron Cylinder Head 171cc Intake Ports

Name: 1987-95 Small Block Chevy S/R Cast Iron Cylinder Head 171cc Intake Ports
Brand: WORLD PRODUCTS
SKU: 955-043650-1
Price: 891.04 USD
Availability: InStock

^$891⁰⁴

Ships on 09/30/2026

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1987-95 Small Block Chevy S/R Cast Iron Cylinder Heads - 67cc Combustion Chambers

171cc Intake Ports
67cc 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 1987-95 305 (5.0L) and 350 (5.7L) fuel injected cubic inch small blocks with centerbolt valve covers. 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'
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, and keepers.
Recommended Installation Items:
Head Gaskets: Fel-Pro #1003 (265-350) or equivalent.
Puhshrods: OEM can be used. Hardened not required
Screw-in Studs: 3/8" or 7/16" with 7/16"-14 base thread
Pushrod Guidplates: These heads are not machined for guide plates. If desired Flat 5/16" Erson 601 or equivalent can be used after .125" is milled off the stud bosses and the push rod holes opened
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