AFR 2101 BBC 325/117CC .725/.850 COMPLETE WITH HYDRAULIC OR SOLID ROLLER SPRINGS

Regular price $ 6,238.01

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

Recommended for more aggressive street or street/strip big block chevy applications with displacements up to 540 cubic inches, operationg at or below 6800 RPM. The 325cc magnum cylinder head intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend. Capable of flowing 390 CFM at 0.700" of lift.

325cc Aluminum BBC Cylinder Heads
Part #	Description	Combustion Chamber
2101	CNC Bowl Blend & Partial CNC Chamber	117cc
2101-1	CNC Bowl Blend & Fully CNC Chamber	121cc

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325cc BBC Partial CNC Chamber
	.200	.300	.400	.500	.600	.700
Int	150	220	286	337	372	385
Exh	131	176	214	248	270	280

325cc BBC Full CNC Chamber
	.200	.300	.400	.500	.600	.700
Int	170	242	304	342	372	390
Exh	145	195	244	266	274	280

Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.310", 3/4" radius plate exhaust, 2 1/8" curved pipe

Included Components
Competition 5-angle valve job
50% CNC Ported Combustion Chambers
20% CNC Ported Exhaust Ports
30% CNC Ported Intake Ports
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	Autolite 3924

Specifications & Features:
Material	A356 Aluminum
Intake Port Volume	325cc
Intake Port Dimension	2.360"H x 1.685"W x 3/8 Radius
Intake Port Location	Stock
Exhaust Port Volume	132cc
Exhaust Port Dimension	1.720"H x 1.920" W
Exhaust Port Location	.375" Raised
Combustion Chamber Size(As Cast)	117cc
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 108cc As Cast or 114cc CNC Chamber
Angle Mill	.009" per cc/Maximum 104cc As Cast or CNC Chamber
Note:Angle mills might require a .120" Thick intake gasket.
Minimum Cross Sectional Area	3.111 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.

AFR 2101 BBC 325/117CC .725/.850 COMPLETE WITH HYDRAULIC OR SOLID ROLLER SPRINGS

SHIPS IN THE LOWER 48 STATES FREE!

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