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World Products S/R Street Replacement Cast Iron Chev SB Head
Designed to replace old stock worn out heads at a very affordable price. They feature hardened exhaust seats, extra thick decks, machined valve cover rails (eliminates leaks), and come with screw-in rocker studs. Accepts all factory accessories.
Part Type: Cylinder Head
Application: S/R Chevrolet Small Block
Cylinder Head Material: Cast Iron
Bare or Assembled: Bare
Combustion Chamber Size: 58cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Intake Port Volume: 170cc
CNC Machined Intake Port: No
Intake Port Flow:
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 1.940" x 1.170"
Suggested Intake Gaskets: Fel-Pro 1204, 1256 or Equivalent
Exhaust Port Volume: 65cc
CNC Machined Exhaust Port: No
Exhaust Port Flow:
Exhaust Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Dimensions: 1.345" x 1.370"
Suggested Exhaust Gaskets:
Spark Plug Style: Straight
Suggested Spark Plug: .460" reach, 5/8" hex plug
Valve Guides: No
Valve Guide Spacing: 1.900" (Intake: Stock Location / Exhaust is moved .040")
Valve Stem Diameter: 11/32" (.3415")
Valve Seats: No
Valve Job: Multi-Angle
Intake Valve Diameter: 1.940"
Intake Valve Included: No
Exhaust Valve Diameter: 1.500"
Exhaust Valve Included: No
Suggested Valve Length: 4.910" (Standard)
Valve Spring Pockets:
Valve Springs Included: No
Valve Spring Application: NA
Valve Springs Retainers Included: No
Valve Locks Included: No
Valve Seals Included: No
Rocker Studs Included: No
Guide Plates Included: No
Valve Cover Mounting Style: Center Bolt and Perimeter
Steam Holes Drilled: No
Heat Crossover: Yes
Suggested Head Bolts: ARP 134-3601 or Equivalent
Suggested Head Studs: ARP 134-4001 or Equivalent
Suggested Stud Girdle:
Head Bolt Torque with Oil: 75 ft./lbs.
Rocker Stud Torque with Oil: 50 ft./lbs.
Intake Bolt Torque with Oil:
Manufacturer: World Products
Manufacturer's Part Number: 042650
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
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