020650-2 BMP MERLIN III 310/119CC ALUMINUM HEADS .650 HYD. ROLLER/FLAT TAPPET

Regular price $ 2,199.56

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

020650-2 MERLIN III 310cc Assembled Aluminum Heads, 119cc Chambers.      1.550"dual springs 150 lb. @ 1.910", 350 lbs. @ 1.260", coil bind @ 1.210", max lift @ .650"

TECHNICAL SPECS

 

Casting ID Number: WOR-070B, WOR-070C

Material: 355-T6 alloy high density aluminum
Valve Seats: Intake (hardened), exhaust (hardened)
Valve Guides: Manganese bronze
Spring Seats: Machined for 1.560" (can be machined for 1.625")
Valves: Manley stainless steel valves in assemblies
Valve Diameter: 2.300" intake, 1.880" exhaust (11/32" stem)
Guide Plates: Stock (for best fit use World #830466-8)
Rocker Arm Studs: Screw-in style
Rocker Arms: Standard
Intake Runner: 310cc or 350cc, standard port location
Exhaust Ports: 132cc, standard location
Combustion Chamber: 119cc
Spark Plug: 14mm .750" reach gasket style
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised
Valve Angle: Stock 24°
Accessory Bolt Holes: Stock
Chamber Design: Open

Spring Specs
1.550": 150 lbs. @ 1.910", 350 lbs. @ 1.260", coil bind @ 1.210", max lift @ .650"

Head Flow For Heads In Listing
310cc @ .700 Lift
372 intake, 268 exhaust (Super Flow 1050)
400 intake, 290 exhuast (Super Flow 600)

Head Flow For Heads Not In Listing

350cc @ .800 Lift
382 intake, 280 exhaust (Super Flow 1050)
410 intake, 303 exhuast (Super Flow 600)
CNC Ported 350cc @ .800 Lift
405 intake, 297 exhaust (Super Flow 1050)
434 intake, 321 exhaust (Super Flow 600)
CNC Ported 375cc @ .800 Lift
410 intake, 300 exhaust (Super Flow 1050)
440 intake, 324 exhaust (Super Flow 600)
All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of
water

*Flow numbers are approximate.

SHIPS ANYWHERE IN THE LOWER 48 STATES FREE!

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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Warning: May cause cancer and reproductive harm.