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Cylinder Heads > ►LSC Alum. Heads > BMP 12° LS7 Aluminum Heads
BMP 12° LS7 Aluminum Heads
►LSC Alum. Heads

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For maximum performance from an LS-series engine, BMP's LS Aluminum 12 Degree Heads are the answer. Using superior Port design featuring 285cc Intake & 106cc exhaust runners that flow incredible numbers.

If even more flow is desired BMP offers a CNC Ported version that boast 296cc Intake & 110cc Exhaust runners. They are Dyno proven to crank out the power!

An important feature of the BMP 12 Degree head is that it comes with TWO EXTRA BOLT HOLES per cylinder (same as BMP LS Blocks) to provided extra sealing for power adder-boosted high combustion pressure applications.

If you or your engine builder will disassemble and check your heads to assure that they pass standards??

Save time and money and order them unassembled. Just scroll down to the product list below and look for your desired part number and click the option box for your unassembled option!!!




For product assistance, please call (631) 737-0372.


TECHNICAL SPECS

Casting ID Number: WOR-076A | WOR-076B

Material: 355-T6 alloy high density aluminum
Valve Seats: Intake (hardened), exhaust (hardened)
Valve Guides: Manganese bronze
Valve Angles: Int. 45○ / Ex. 45○
Spring Seats: Machined for 1.560" (can be machined for 1.625")
Valves: Manley stainless steel valves in assemblies
Valve Diameter: 2.250" intake, 1.625" exhaust (5/16" stem) as cast, 2.250" intake, 1.625" exhaust (5/16" stem) CNC ported
Rocker Arms: Flat machined pedestals that accept a T&D rocker system # 2351
Intake Runner: 285cc, Rectangular Port, standard port location (296cc CNC'd)
Exhaust Ports: 106cc, standard location (110cc CNC'd)
Exhaust Gaskets: Fel Pro 1440
Combustion Chamber: 64cc as cast or 74cc CNC'd. Can be milled to 64cc's.
Spark Plug: 14mm .750" reach gasket style, Accel P526S or equivalent
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised .300" for aftermarket valvetrain
Valve Angle: Stock 12°
Accessory Bolt Holes: Stock



025350 BMP LS7 285cc Aluminum Head Flow Data

Valve Lift--.300 --.400 --.500 --.600 --.700 --.800
2.250 ------- 194 -- 256 -- 304 -- 333 -- 354 -- 335
1.625 ------- 156 -- 188 -- 210 -- 221 -- 251 -- 253

Methods used: Superflow 600, Flowed at 28" with a bowl blend 1" down, 1" radiused entry plate on the intake port, No exhaust tube, Using Manley Severe Duty valves.

025350C BMP LS7 CNC'd 296cc Aluminum Head Flow Data

Valve Lift--.300 --.400 --.500 --.600 --.700 --.800
2.250 ------- 241 -- 309 -- 357 -- 387 -- 396 -- 403
1.625 ------- 160 -- 198 -- 225 -- 249 -- 264 -- 274

Methods used: Superflow 600, Flowed at 28" with a full CNC porting, 1" radiused entry plate on the intake port, No exhaust tube, Using Manley Severe Duty valves.



WARHAWK 12° LS7
HEAD ASSEMBLY BUYING GUIDE

Use this guide to match your Cam Spring Specs to our Assembled Heads & choose which assembly you need from the choices below. Please Note: Bare Heads contain no Valves.

-2 Assembled Heads: Solid Roller Street Cam
1.437": 125 lbs. @ 1.810", 340 lbs. @ 1.210", coil bind @ 1.160"
MAX LIFT @ .600"


-3 Assembled Heads: Solid Roller Race Cam
1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150", max lift
MAX LIFT @ .700"

-4 Assembled Heads: Solid Roller Drag Race Cam
1.650": 250 lbs. @ 2.000", 800 lbs. @ 1.150", coil bind @ 1.070", max lift
MAX LIFT @ .850"

BMP 12° LS7 Aluminum Heads
BMP 12° LS7 Aluminum Heads BMP 12° LS7 Aluminum Heads BMP 12° LS7 Aluminum Heads
BMP 12° LS7 Aluminum Heads BMP 12° LS7 Aluminum Heads BMP 12° LS7 Aluminum Heads
 
 
product variations
 
025350 BMP LS7 Chevy Aluminum Head
► 12° Valve Angle
► 285cc Intake Ports
► 64cc Chambers
► 2.250/1.625 Valve Seats
► Bare Head
$677.36
Quantity 
 
 
 
25350-2 BMP LS7 Chevy Aluminum Head
►12° Valve Angle
► 285cc Intake Ports
► 64cc Chambers
► 2.250/1.625 Valves
► For hyd. roller cams, w/ Manley Valves, 1.437" Springs, 10° Locks
► Choose Assembled or Unassembed
Option
$1,124.84
Quantity 
 
 
 
25350-3 BMP LS7 Chevy Aluminum Head
►12° Valve Angle
► 285cc Intake Ports
► 64cc Chambers
► 2.250/1.625 Valves
► For solid roller cams, w/ Manley Valves, 1.550" Springs, 10° Locks
► Choose Assembled or Unassembled
Option
$1,157.60
Quantity 
 
 
 
25350-4 BMP LS7 Aluminum Head
► 12° Valve Angle
► 285cc Intake Ports
► 64cc Chambers
► 2.250/1.625 Valves
► For drag race solid roller cams, w/ 1.640" Springs, 10° Locks, Titanium Retainers
► Choose Assembled or Unassembled
Option
$1,355.52
Quantity 
 
 
 
025350C BMP LS7 Chevy Aluminum Head
► 12° Valve Angle
► CNC PORTED
► 296cc Intake Ports
► 64cc Chambers
► 2.250/1.625 Valves
► Bare Casting
$1,327.36
Quantity 
 
 
 
25350C2 BMP LS7 Aluminum Head
►12° Valve Angle
► CNC PORTED
► 296cc Intake Ports
► 64cc Chambers
► 2.250" / 1.625" Manley Valves
► For hyd. roller cams, 1.437" Springs, 10° Locks
► Choose Assembled or Unassembled
Option
$1,775.64
Quantity 
 
 
 
25350C3 BMP LS7 Aluminum Head
► 12° Valve Angle
► CNC PORTED
► 296cc Intake Ports
► 64cc Chambers
► 2.250" / 1.625" Manley Valves
► For solid roller cams, 1.550" Springs, 10° Locks
► Choose Assembled or Unasssembled
Option
$1,799.60
Quantity 
 
 
 
25350C4 BMP LS7 Aluminum Head
► CNC PORTED
► 12° Valve Angle
► 296cc Intake Ports
► 64cc Chambers
► 2.25/1.625 Valves
►For solid roller drag race cams, 1.640 Springs, 10° Titanium Retainers
► Choose Assembled or Unassembled
Option
$2,005.52
Quantity