AFR 2001 BBC 335/121CC .725/.850 COMPLETE WITH HYDRAULIC OR SOLID ROLLER SPRINGS

Regular price $ 3,506.96

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

Recommended for radical streep/strip or "Pro Street" applications with displacements up to 572 cubic inches, operating at or belwo 7000 RPM. Featuring fully CNC machined intake runners, exhaust ports and combustion chambers; these heads are capable of flowing 410 CFM at 0.800" of lift.

335cc Aluminum BBC Cylinder Heads
Part # Description Combustion Chamber
2001 Fully CNC Ported 121cc

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335cc BBC
  .200 .300 .400 .500 .600 .700 .800
Int 164 240 304 352 385 404 410
Exh 142 193 244 278 310 321 327

Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.600", 3/4" radius plate exhaust, 2 1/8" curved pipe

Included Components
5-angle valve job
100% CNC Ported Chambers, Exhaust, and Intake
11/32" Intake Valve, 2.300" x5.500" O.A.L
7626
11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L
7631
PAC Racing Spring #1224 1.625 O.D. Solid Roller, 275lbs on seat, .850 Maximum Lift, Max RPM 7400-7600
8031
Manley 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D
8518
10° 11/32" Valve Locks with lashcap recess
9005
ARP 7/16" Rocker Exhaust Studs
6406
ARP 7/16" Rocker Intake Studs
6407
Adjustable 3/8" Guide Plates
6109
11/32" Viton Valve Seals
AFR #6613
Hardened Spring Cup 1.740" O.D / 1.650" I.D
8046
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep
9065
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep
9064
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L
AFR #9041
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L
AFR #9042
Specifications & Features:
Material
A356 Aluminum
Intake Port Volume
335cc
Intake Port Dimension
2.455"H x 1.755"W x 13/32 Radius
Intake Port Location
Stock
Exhaust Port Volume
135cc
Exhaust Port Dimension
1.780"H x 2.025" W
Exhaust Port Location
.375" Raised
Combustion Chamber Size(Full CNC)
121cc
Valve Cover Bolt Pattern
Perimeter Bolt
Valve Angle
24°/4° Int, 15°/4° Exh
Valve Spring Pocket Diameter
1.725" O.D
Max Valve Spring Pocket Machining
1.750" O.D
Deck Thickness
.750"
Minimum Bore Diameter
4.250"
Flat Mill
.006" per cc/ Maximum 114cc
Angle Mill
.009" per cc/Maximum 104cc
Note:Angle mills might require a .120" thick intake gasket.
Minimum Cross Sectional Area
3.275 sq. in.
Spark Plug Dimensions
14mm x .750" w/Gasket Seat

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Warning: May cause cancer and reproductive harm.