These are World Warhawk LS1X heads that have been worked over by Brian
Tooley at TEA. These are the perfect HUGE horsepower platform. 3/4" deck thickness!!!
Factory Specs : World Part # 025250-3.
Casting ID Number: WOR-075
Material: 355-T6 alloy high density aluminum
Valve Seats: Intake (hardened), exhaust (hardened)
Valve Guides: Manganese bronze
Spring Seats: Machined for 1.560"
Valves: Manley stainless steel valves in assemblies
Valve Diameter: 2.080" intake, 1.600" exhaust (5/16" stem) as cast
Rocker Arms: Stock LS1 with stock stands
Intake Runner: 235cc, standard port location
Exhaust Ports: 87cc, standard location
Combustion Chamber: 72cc
Spark Plug: 14mm .750" reach gasket style
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised .300" for aftermarket valvetrain
Valve Angle: Stock 15°
1.550" dual springs, Solid Roller, Spring Specs: 1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150", max lift @ .700"
See TEA Invoice above... TEA then took the heads and performed the following:
Valve job
Set spring heights, machine spring pockets
Hand finish the chambers, and all ports
Machined the pushrod holes for 3/8" pushrods
Clearanced the upper valvecover rail for shaft mount Jesel rockers
Flow the heads
Total labor : 847$
Flow numbers:
In. Ex
0.1000 70.6 60.1
0.2000 151.5 126.8
0.3000 222.2 190.0
0.4000 276.9 230.6
0.5000 313.6 256.0
0.6000 329.7 268.2
0.7000 321.7 274.2
0.8000 327.7 280.3
SOLD