AFR 2001 BBC 335/121CC .725/.850 COMPLETE WITH HYDRAULIC OR SOLID ROLLER SPRINGS
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 Click part # to add product to your cart 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 600Bore 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 Recommended Components: Intake Port Gasket 6853 (.120" Thick) Intake Port Gasket 6855 (.060" Thick) Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads. Exhaust Port Gasket 6858 Head Gasket, Fel-Pro #1047 (Mark V and VI) 6849 Head Gasket,, Fel-Pro #1017-1 (Mark IV) 6850 Head Bolts, ARP 135-3703 (Mark IV) 6306 Head Bolts, ARP 135-3707 (Mark V) 6308 Head Studs, ARP 235-4713 6307 Head Bolt Washers, Manley 6320 Stud Girdle, (AFR Specific) 6202 7/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry) 6043 1.7 Shaft Mount Rocker Arms T&D 6065 Suggested Manifold Victor Jr Suggested Manifold Super Victor Spark Plug Starting Range Pump Gas 3924 / Race Gas 3922 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 SHIPS IN THE LOWER 48 STATES FREE! CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER Warning: May cause cancer and reproductive harm.