WR 180 SB Chevy HP Cylinder Heads 1 par

Beskrivning

WR Toppar SBC 180 cc Straight Plug Kompletta ready to run

SBC 180
Specifications & Features:
Material A356 Aluminum
Intake Port Volume 180cc
Intake seat size 2,02
Exhaust seat size 1,6
Intake Port Dimension 2.050″ H x 1.250″ W x 5/16° Radius
Intake Port Location Stock
Exhaust Port Volume 64cc
Exhaust Port Dimension 1.450″ H x 1.550″ W
Exhaust Port Location 0.100″ Raised
Combustion Chamber 65cc
Valve Cover Bolt Pattern Perimeter Bolt
Valve Angle 23°
Valve Spring Pocket Diameter 1.460″ O.D
Max Valve Spring Pocket Machining 1.750″ O.D
Warning: Do not machine spring pad any deeper.
Deck Thickness .750″
Minimum Bore Diameter 4.000″
Flat Mill .006″ per cc 60cc Maximum
Angle Mill .009″ per cc 55cc Maximum
Note: Angle mills might require .120 thick intake gasket.
Minimum Cross Sectional Area 1.810 sq. in.
Spark Plug Dimensions 14mm x .750″ w/Gasket Seat
Carb EO# D-250-2
Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit MIC heads.
8mm Bead Lock Intake Valve, 2.020″ x 4.900″ Overall Valve Length Made by Ferrea
8mm Bead Lock Exhaust Valve, 1.600″ x 4.950″ Overall Valve Length Made by Ferrea
PAC Racing Spring 1.290″ OD Hydraulic Roller Dual Valve Spring,
140 lbs on seat, .600″ maximum lift, Max RPM 6300-6500
7° Manley Chrome Moly Retainers 1.245″ O.D x .885″ I.D x .655″ I.D
7° Bead Lock Valve Keepers
3/8″ Rocker Studs
5/16″ Guide Plates
Viton Valve Seals .600″ O.D x .495″ I.D
Hardened Valve Spring O.D Locator 1.380″ O.D x .570″ I.D
Powder Metallurgy Intake Valve Seats 2.200″ O.D x 1.750″ I.D x .375″ Deep
Powder Metallurgy Exhaust Valve Seats 1.696″ O.D x 1.325″ I.D x .305″ Deep
8 mm Mangsnese Bronze Valve Guides .502″ O.D x 2.100″ O.A.L