LS1 Aluminum Cylinder Heads BMP \ World Products Warhawk NEW Assembled

Description

Bill Mitchell Products World Products Warhawk Aluminum Chevy LS-1 Series 235cc 15Degree 2.080" x 1.600" Assembled
This listing is for a pair of assembled heads
Clearly the industry’s most efficient replacement for LS1 cylinder heads, BMP's / WorldProducts LS Aluminum casting delivers more power than other aftermarket heads in its category. The highly efficient 235cc intake (2.080” Valve) and 87cc exhaust ports (1.600 Valve) provide outstanding flow. Available with 64cc combustion chambers.
Assembled with Manley Stainless steel Racemaster valves, Erson Professional series polished valve springs, Steel 7 retainers and degree locks, iron clad seals.
Spring specs: 1.290" Dual Spring - 150#@1.810" - 400#@1.150" - 1.100"C/B - 378S/R - .660 Max Lift
TECHNICAL SPECS
Casting ID Number: WOR-075
Material: 355-T6 alloy high density aluminum
Valve Seats: Intake (hardened), exhaust (hardened)
Valve Guides: Manganese bronze
Valve Size: 2.080 Intake 1.600 Exhaust
Valve Angle: 15 Degrees
Valve Seat Angle: 45 Degrees
Spring Seats: Machined for 1.560"
Valves: Manley stainless steel valves in assemblies
Springs: Erson High Lift Hydraulic .660" max lift
Guide Plates: N/A
Rocker Arm Studs: N/A
Rocker Arms: Accept OEM style
Intake runner : 235cc Standard port location
Exhaust Ports: 87cc standard location
Valve Pockets: Blended
Combustion Chamber: 64cc
Spark Plug: 14mm .708" reach taper style,
Accel P526S
Valve Job: Multi-angle intake and radius exhaust
Valve Cover Rail: Raised
Exhaust Gasket: Felpro 1438
BMP 235cc LS1 Aluminum Head Flow Data
Valve Lift -- .200 --.300 --.400 --.500 --.600 --.700 --.800
2.080 ------- 117 -- 180 -- 243 -- 291 -- 294 -- 296 -- 288
1.600 -------   90 -- 128 -- 156 -- 171 -- 180 -- 186 -- 189
Methods used: Superflow 600, Flowed at 28" with full CNC porting, 1" radiused entry plate on the intake port, No exhaust tube, Using Manley Severe Duty valves. Flowed By GT Cylinder Heads Sophia, NC