Proflow | SKU: PFEAHC18064SP-BARE

Cylinder Heads, Aluminium, Bare, SB Chev, 64cc Chamber, Straight Plug, 180cc Intake Runner, Pair - PFEAHC18064SP-BARE

Name: Cylinder Heads, Aluminium, Bare, SB Chev, 64cc Chamber, Straight Plug, 180cc Intake Runner, Pair - PFEAHC18064SP-BARE
Brand: Proflow
SKU: PFEAHC18064SP-BARE
Price: 1674.8 NZD
Availability: InStock

$1,674.80 NZD + GST

Shipping calculated at checkout.

Description

Part Number: PFEAHC18064SP-BARE

Proflow Cylinder Heads, AirMax 180,SB Chev Aluminium, Bare, 64cc Chamber

Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, high performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.

SPECIFICATIONS
Material	A356 Aluminium
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 or 72cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	23°
Valve Spring Pocket Diameter	1.460" O.D
Max Valve Spring Pocket Machining Warning: Do not machine spring pad any deeper.	1.750" O.D
Deck Thickness	.750"
Minimum Bore Diameter	4.000"
Flat Mill	.006" per cc 60cc Maximum
Angle Mill Note: Angle mills might require .120 thick intake gasket.	.009" per cc 55cc Maximum
Minimum Cross Sectional Area	1.810 sq. in.
Spark Plug Dimensions	14mm x .750" w/Gasket Seat
Carb EO#	D-250-2
Straight Plug	Angle Plug option



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	Ferrea
8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length	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