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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. AFR heads are available bare (without parts). Please see footnotes for additional information.
| 335cc Aluminum BBC Cylinder Heads | ||
|---|---|---|
| Part # | Description | Combustion Chamber |
| 2001 | Fully CNC Ported | 121cc |
| 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 | AFR7626 |
| 11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | AFR7631 |
| PAC Racing Spring #1224 1.625 O.D. Solid Roller, 275lbs on seat, .850 Maximum Lift, Max RPM 7400-7600 | AFR8031 |
| Manley 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | AFR8518 |
| 10° 11/32" Valve Locks with lashcap recess | AFR9005 |
| ARP 7/16" Rocker Exhaust Studs | AFR6406 |
| ARP 7/16" Rocker Intake Studs | AFR6407 |
| Adjustable 3/8" Guide Plates | AFR6109 |
| 11/32" Viton Valve Seals | AFR6613 |
| Hardened Spring Cup 1.740" O.D / 1.650" I.D | AFR8046 |
| Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | AFR9065 |
| Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | AFR9064 |
| 11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | AFR9041 |
| 11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L | AFR9042 |
| 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 |
| Categories | Engine Components |
|---|---|
| Weight | 41.2800 |
| Manufacturer Part Number | 2001 |
| Brand | Air Flow Research |
| Part Type | Cylinder Heads |
| Vehicle Make | Chevrolet |
| Engine Type | Big Block |
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