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The BRODIX Head Hunter series represents the cutting edge of conventional big block technology. The HH 377 is 100% CNC ported and utilizes features such as a 377 cc raised oval-shaped intake port that flows an amazing 470 cfm and a newly designed exhaust port that flows 308 cfm with only a 1.850 exhaust valve. Standard features include an extra thick deck, high valve cover rail, and the best castings in the business.
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Strongest Castings in The Business!
See a Comparison
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Intake Port
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Chamber Volume
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Valve Sizes Intake/Exhaust
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Exhaust
Pattern
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Valve
Centerline
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Intake Manifold
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BP HH BB 377
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377 cc
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119 cc
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2.375/1.850
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Standard
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Standard
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SA 2017/
SA 2027
BM 2017/
BM 2027
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Cubic Inch
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Compression
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Camshaft
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RPM
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Application
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BP HH BB 377
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565-632
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14.1 Minimum
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Roller
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4000-8000
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Drag
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Valve Size
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0.200
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0.300
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0.400
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0.500
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0.600
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0.700
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0.800
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0.900
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BP HH BB 377
(CNC Ported)
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2.375 Intake
(52° Valve Job)
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145
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221
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296
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353
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397
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434
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457
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469
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1.850 Exhaust
(55° Valve Job)
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122
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190
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231
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266
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287
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304
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306
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308
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• PS CB:
Valve Bowls Blended
• PS MI:
Match Intake Port to BRODIX MG 2177
• PS Valve Job:
Competition Valve Job
• Intake Valves:
2.375 x 5.568 o.a.l.
• Exhaust Valves:
1.850 x 5.494 o.a.l.
• Valve Springs:
1.625 Roller Valve Spring - MA 221424,
260 lb Closed, 790 lb Open,
2.100 Installed Height
.800 Maximum Lift
(Standard Package)
1.645 Roller Valve Spring - CC 947 or CC 948,
315 lb Closed, 915 lb Open
2.100 Installed Height,
.850 Maximum Lift
(Spring Upgrade)
• Retainers:
1.625 10° Titanium - MA 23640
1.645 10° Titanium - MA 2001
• Valve Locks:
10° Jumbo - CC 611
• Valve Seals:
11/32 - US VS529V
(1.625 Valve Spring)
11/32 - US VS485V
(1.645 Valve Spring)
Special Intake Gaskets, Exhaust Gaskets, and Valve Cover Gaskets Are Available Exclusively From BRODIX
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• Torque Heads:
70 ft-lb
• Torque Rocker Studs:
40-45 ft-lb
• Intake Gaskets:
BRODIX MG 2177
• Head Gaskets:
4.540 - FEL-PRO 1017, COMETIC C5433
4.600 - FEL-PRO 1057, COMETIC C5434
• Exhaust Gaskets:
FEL-PRO 1412, COMETIC C5418
• Head Bolts:
ARP 135-3606, MANLEY 42192
• Head Studs:
ARP 235-4702 (12 pt)
• Accessory Bolt Holes Are Drilled
• Spark Plug Starting Points:
NGK R5671A-9
for Alcohol
NGK R5671A-8
for Racing Gas
• Spring Pockets:
May Not be Cut Any Larger or
Deeper Than 1.625
• Valve Angle:
24° and 4° Intake
15° and 4° Exhaust
• Angle Milling:
.0066 in Per cc
• Flat Milling:
.0050 in Per cc
• Angle Machining:
Not Available
• Dowel Shift:
Not Available
• Pushrod Slots:
Standard
• Stud Girdle:
Standard, BRODIX BR1230
• Rocker Arms:
Standard
• Lifters:
Standard
• Pistons:
2° Valve Rolled Piston
• Pushrods:
Check Pushrod Clearance with Head Installed on the
Engine Block Before Final Assembly
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BP HH BB 377 Bare
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2138000
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BP HH BB 377 Pkg
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2138100
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Phone: (479) 394-1075 • Fax: (479) 394-1996 • 301 Maple • P.O. Box 1347 • Mena, Arkansas 71953
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| Not legal for sale or use on pollution controlled motor vehicles. |
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© 2008 by Brodix, Inc.
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