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Cylinder Heads > ►BBC Alum. Heads > BMP BBC 16° Aluminum Heads
BMP BBC 16° Aluminum Heads
►BBC Alum. Heads



ALL BMP CYLINDER HEADS ARE PRICED INDIVIDUALLY

This all-new design from World’s engineering team combines flow characteristics common to expensive race-only heads with exotic splayed valve setups designed to accept up to 2.350" and 1.880" valves, as well as “standard” Mark IV intake systems. This has been accomplished through “rolling” the head to a 16° valve angle, designing highly efficient intake and exhaust ports and using a special 80cc combustion chamber.

These heads require a Shaft Type Rocker Arm set up like JESEL part #KPS325131. You’ll also probably need to get a set of pistons that take advantage of the chamber design, but other than that you can use most of everything from a standard big block Chevy, so when you add up the performance potential versus total cash outlay, it’s clearly the HOT setup for Sportsman racers!

They’re available bare, or in two different assemblies that are designed to match your camshaft’s valve spring requirements. A multi-angle valve job and Manley stainless steel valves make the assemblies an excellent value and a real time-saver for engine builders. For those seeking more power, the BMP BBC aluminum 16 degree heads are available as CNC-ported heads with 98cc combustion chambers and 345cc intake runners.

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-071C

Material: 355-T6 alloy high density aluminum
Valve Seats: Intake (hardened), exhaust (hardened)
Valve Guides: Manganese bronze
Spring Seats: Machined for 1.640" springs
Valves: Manley stainless steel valves in assemblies
Valve Diameter: Up to 2.350" intake, 1.880" exhaust (11/32" stem)
Shaft Rocker Arms: JESEL part #KPS325131
Intake Runner: 320cc, standard port location, 345cc on CNC'd option
Exhaust Ports: 132cc, standard location
Combustion Chamber: 80cc as cast, 98cc for CNC'd heads (can be milled to 80cc)
Spark Plug: 14mm .750" reach gasket style. Accel 416 or equivalent
Valve Job: No valve job on bare 020750 head, Multi-angle intake and radiused exhausts on assembled and CNC'd heads
Valve Cover Rail: Raised
Valve Angle: 16°
Accessory Bolt Holes: Stock
Chamber Design: Open

020750 BMP 320cc 16 Degree Aluminum Head Flow Data

Valve Lift--.300 --.400 --.500 --.600 --.700 --.800
2.350 ------- 187 -- 245 -- 303 -- 349 -- 379 -- 392
1.880 ------- 148 -- 183 -- 214 -- 238 -- 254 -- 265

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.

020750C BMP 345cc 16 Degree CNC'd Aluminum Head Flow Data

Valve Lift--.300 --.400 --.500 --.600 --.700 --.800
2.350 ------- 228 -- 299 -- 349 -- 391 -- 425 -- 451
1.880 ------- 177 -- 205 -- 231 -- 255 -- 273 -- 286

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.

BMP BBC 16 DEGREE ALUMINUM
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.

-3 Assembled Heads: Solid Roller Street Cam
1.550": 225 lbs. @ 1.910", 520 lbs. @ 1.210", coil bind @ 1.160",
MAX LIFT @ .700"


-4 Assembled Heads: Solid Roller Race Cam
1.650": 275 lbs. @ 2.000", 600 lbs. @ 1.200", coil bind @ 1.050"
MAX LIFT @ .900"

BMP BBC 16° Aluminum Heads
BMP BBC 16° Aluminum Heads
 
 
product variations
 
020750 BMP BBC 16° Aluminum Head
► 320cc Intake Ports
► 80cc Chambers
► 2.350/1.880 Valve Seats
► Bare Casting
$850.00
Quantity 
 
 
 
20750-3 BMP BBC 16° Assembled Aluminum Head
► 320cc Intake Ports
► 80cc Chambers
► 2.350/1.880 Manley Valves
► For solid roller cam w/ 1.550" Springs
►10° Retainers & Locks
► Choose Assembled or Unassembled
Option
$1,259.84
Quantity 
 
 
 
20750-4 BMP BBC 16° Assembled Aluminum Head
► 320cc Intake Ports
► 80cc Chambers
► 2.350/1.880 Manley Valves
► For solid roller cam w/ 1.640" Springs
► 10° Titanium Retainers
► Choose Assembled or Unassembled
Option
$1,504.96
Quantity 
 
 
 
020750C BMP BBC 16° Aluminum Head
► CNC PORTED
► 345cc Intake Ports
► 98cc Chambers
► 2.350/1.880 Valve Seats
► Bare Casting
$1,450.00
Quantity 
 
 
 
20750C3 BMP BBC 16° Assembled Aluminum Head
► CNC PORTED
► 345cc Intake Ports
► 98cc Chambers
► 2.350/1.880 Manley Valves
► For solid roller cam w/ 1.550" Springs & 10° Retainers
► Choose Assembled or Unassembled
Option
$1,859.84
Quantity 
 
 
 
20750C4 BMP BBC 16° Assembled Aluminum Head
► CNC PORTED
► 345cc Intake Ports
► 98cc Chambers
► 2.350/1.880 Manley Valves
► For solid roller cam w/ 1.640" Springs
► Titanium 10° Retainers
► Choose Assembled or Unassembled
Option
$2,104.96
Quantity