SB-Chevy Race-Rite 180 23° Cylinder Heads 180cc Intake Ports

Name: SB-Chevy Race-Rite 180 23° Cylinder Heads 180cc Intake Ports
Brand: BRODIX
SKU: 158-1011000
Price: 1687.99 USD
Availability: OutOfStock

Currently Unavailable

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

Race-Rite 180 23° Cylinder Heads - 180cc Intake Ports, 67cc Combustion Chambers

180cc Intake Ports
67cc Combustion Chambers
2.020'' Int/1.600'' Exh Valves
1.250'' Valve Springs
.525'' Max Lift
Angle Plug
Assembled, Sold in Pairs

Cylinder Head Specifications
Intake Port: 180cc
Chamber Volume: 67cc
Valve Sizes: Intake 2.020' / Exhaust 1.600'
Plug Angle: Angle
Exhaust Pattern: Standard
Valve Centerline: Standard
Cylinder Head Recommendations
Cubic Inch: 355-406
Compression: 9.1 Minimum
Camshaft: Hydraulic/Hydraulic Roller
RPM: 1500-6000
Application: Street/Pro Street
Facts and Related Components
Torque Heads: 70ft-lb
Torque Rocker Studs: 40-45ft-lb
Spring Pockets: May not be cut any larger or deeper than 1.550'
Valve Angle: 23°
Angle MIlling: .0078' per cc
Flat Milling: .0060' per cc
Pushrod Slots: Standard
Stud Girdle: Standard
Rocker Arms: Standard
Lifters: Standard
Package Heads
PS CB: Valve bowls blended
PS MI: Match intake port to FP 1204
PS Valve Job: Competition valve job
Intake Valves: 2.020' x 4.920' o.a.l.
Exhaust Valves: 1.600' x 4.940'o.a.l.
Valve Springs: 1.250' Hydraulic valve spring, 100lb Closed
300 lb Open, 1.850' installed height, .525' maximum lift
1.470' Hydraulic roller valve spring, 125lb closed
325lb open, 1.900' installed height, .525' maximum lift
Retainers: 1.250' 7° Steel, 1.430 7° Steel
Valve Locks: 7°
Rocker Studs: 3/8'
Guide Plates: 5/16'
Valve Seals: 11/32'