WP -18C AP Series Cylinder Heads Spread Exhaust Port

Name: WP -18C AP Series Cylinder Heads Spread Exhaust Port
Brand: BRODIX
SKU: 158-1188105
Price: 6549.99 USD
Availability: OutOfStock

Currently Unavailable

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

WP -18C AP Series Cylinder Heads

57cc Combustion Chambers

Spread Exhaust Ports

100% CNC Ported

Spread Exhaust Port
266cc Intake Ports
57cc Combustion Chambers
2.180'' Intake / 1.625'' Exhaust Valves
1.550'' Dia. Springs - 240# Seat Pressure
Titanium Retainers
Angle Plug
Assembled, 2/pkg.

Cylinder Head Specifications
Intake Port Volume: 266cc
Combustion Chamber Volume: 57cc
Valves: 2.180' dia. x 5.540' o.a.l. Intake / 1.625' dia. x 5.540' o.a.l. Exhaust ( 11/32' Stem Diameter )
Valve Springs: 1.550' Diameter - Open Pressure: 550 lbs.; Closed Pressure: 240 lbs.; Installed Height: 1.950'; Max Lift: .700'
Spring Retainers: 1.550' 10° Titanium
Rocker Studs: N/A - Shaft System Required
Guide Plates: N/A
Valve Seals: 11/32'
Spark Plug Configuration: Angled
Facts and Related Components
Torque Heads: 70 ft-lb.
Torque Rocker Studs: 40-45 ft-lb.
Intake Gasket: Modified Fel-Pro p/n 375-1282
Head Gasket: Fel-Pro p/n 375-1003 (350ci) / 375-1004 (400ci) or Cometic p/n 245-C5399 (350ci) / 245-C5403 (400ci)
Exhaust Gasket: Brodix p/n 158-MG52464, Cometic C5424 (Spread Port)
Head Studs: ARP p/n 070-234-4728 (12-point)
Spark Plug Specs: 14mm Thread, .750' (3/4') Reach, Gasket Seat
Valve Angle: 18°
Angle Milling: .0065' per cc
Flat Milling: .0055' per cc
Pushrod Slots: 58/107
Stud Girdle: N/A
Rocker Arms: Shaft System with 58/107 Spacing (Check heads for intake offset) - T&D 2238 .750' Offset
Lifters: .180' Offset
Pistons: Special 18°
Pushrods: Special Length
Intake Face Angle: 5°
Exhaust Pattern: Stahl Only
Valve Centerline: 58/107
Spring Pockets: 1.550' Out of the Box, May be cut to 1.625' - No larger or deeper
Accessory Bolt Holes are Drilled
Recommended Intake Manifold: Custom