AFR 2020-TI BBC 385cc Magnum Competition Cylinder Heads
AFR designed these 2020-TI BBC Magnum Competition Cylinder Heads especially for 540+ cubic inch Big Block Chevy engines operating at or below 7600 RPM. These heads feature 100% CNC machined intake runners, exhaust ports as well as combustion chambers, and are capable of flowing 456 CFM at 0.900" of lift.
These heads come fully assembled with ARP rockers studs as well as PAC Racing springs. Viton valve seals in addition to AFR adjustable guide plates come installed. Machined bead valve locks (not stamped), hardened spring cups, as well as titanium retainers and Stainless Steel valves included also.
AFR 2020-TI BBC Magnum Cylinder Heads Features:
- Cylinder Head Material: Aluminum
- Assembled: Yes
- Spark Plug Style: Angled
- Combustion Chamber Volume: 121cc
- Intake Runner Volume: 385cc
- Exhaust Runner Volume: 135cc
- Intake Port Shape: Rectangular
- Intake Port Location: Stock
- Exhaust Port Shape: Round
- Exhaust Port Location: .375 in. Raised
- Valve Angle: 24/4 Intake & 15/4 Exhaust
- Intake Valve Diameter: 2.350 in.
- Exhaust Valve Diameter: 1.880 in.
- Maximum Valve Lift: 0.850 in.
- Camshaft Style: Solid Roller
- Outside Diameter of Outer Spring: 1.625 in.
- Valve Spring Pocket Diameter: 1.725 in.
- Maximum Valve Spring Pocket Machining: 1.750 in.
- Lock Style: 10 Degree
- Deck Thickness: 0.750 in.
- Rocker Stud Size: 7/16-20 in.
- Guide Plate Pushrod Size: 3/8 in.
- Retainer Material: Titanium
- Valve Cover Mounting Style: Perimeter Bolt
- Sold as a pair
Note: 1.000 in. longer head bolts needed on four bottom exhaust bolt holes.
Established in 1970 in Valencia, CA, Air Flow Research is a family-owned and operated company building products for the Professional Racing in addition to Street markets. This includes racers, street performance fans, as well as everyone in-between. The Air Flow Research product lineup contains cylinder heads, intake manifolds, valves, gaskets, carburetor adapters as well as spacers, lifters, fasteners, and more.
Original: $4,881.00
-65%$4,881.00
$1,708.35AFR 2020-TI BBC 385cc Magnum Competition Cylinder Heads
AFR designed these 2020-TI BBC Magnum Competition Cylinder Heads especially for 540+ cubic inch Big Block Chevy engines operating at or below 7600 RPM. These heads feature 100% CNC machined intake runners, exhaust ports as well as combustion chambers, and are capable of flowing 456 CFM at 0.900" of lift.
These heads come fully assembled with ARP rockers studs as well as PAC Racing springs. Viton valve seals in addition to AFR adjustable guide plates come installed. Machined bead valve locks (not stamped), hardened spring cups, as well as titanium retainers and Stainless Steel valves included also.
AFR 2020-TI BBC Magnum Cylinder Heads Features:
- Cylinder Head Material: Aluminum
- Assembled: Yes
- Spark Plug Style: Angled
- Combustion Chamber Volume: 121cc
- Intake Runner Volume: 385cc
- Exhaust Runner Volume: 135cc
- Intake Port Shape: Rectangular
- Intake Port Location: Stock
- Exhaust Port Shape: Round
- Exhaust Port Location: .375 in. Raised
- Valve Angle: 24/4 Intake & 15/4 Exhaust
- Intake Valve Diameter: 2.350 in.
- Exhaust Valve Diameter: 1.880 in.
- Maximum Valve Lift: 0.850 in.
- Camshaft Style: Solid Roller
- Outside Diameter of Outer Spring: 1.625 in.
- Valve Spring Pocket Diameter: 1.725 in.
- Maximum Valve Spring Pocket Machining: 1.750 in.
- Lock Style: 10 Degree
- Deck Thickness: 0.750 in.
- Rocker Stud Size: 7/16-20 in.
- Guide Plate Pushrod Size: 3/8 in.
- Retainer Material: Titanium
- Valve Cover Mounting Style: Perimeter Bolt
- Sold as a pair
Note: 1.000 in. longer head bolts needed on four bottom exhaust bolt holes.
Established in 1970 in Valencia, CA, Air Flow Research is a family-owned and operated company building products for the Professional Racing in addition to Street markets. This includes racers, street performance fans, as well as everyone in-between. The Air Flow Research product lineup contains cylinder heads, intake manifolds, valves, gaskets, carburetor adapters as well as spacers, lifters, fasteners, and more.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
AFR designed these 2020-TI BBC Magnum Competition Cylinder Heads especially for 540+ cubic inch Big Block Chevy engines operating at or below 7600 RPM. These heads feature 100% CNC machined intake runners, exhaust ports as well as combustion chambers, and are capable of flowing 456 CFM at 0.900" of lift.
These heads come fully assembled with ARP rockers studs as well as PAC Racing springs. Viton valve seals in addition to AFR adjustable guide plates come installed. Machined bead valve locks (not stamped), hardened spring cups, as well as titanium retainers and Stainless Steel valves included also.
AFR 2020-TI BBC Magnum Cylinder Heads Features:
- Cylinder Head Material: Aluminum
- Assembled: Yes
- Spark Plug Style: Angled
- Combustion Chamber Volume: 121cc
- Intake Runner Volume: 385cc
- Exhaust Runner Volume: 135cc
- Intake Port Shape: Rectangular
- Intake Port Location: Stock
- Exhaust Port Shape: Round
- Exhaust Port Location: .375 in. Raised
- Valve Angle: 24/4 Intake & 15/4 Exhaust
- Intake Valve Diameter: 2.350 in.
- Exhaust Valve Diameter: 1.880 in.
- Maximum Valve Lift: 0.850 in.
- Camshaft Style: Solid Roller
- Outside Diameter of Outer Spring: 1.625 in.
- Valve Spring Pocket Diameter: 1.725 in.
- Maximum Valve Spring Pocket Machining: 1.750 in.
- Lock Style: 10 Degree
- Deck Thickness: 0.750 in.
- Rocker Stud Size: 7/16-20 in.
- Guide Plate Pushrod Size: 3/8 in.
- Retainer Material: Titanium
- Valve Cover Mounting Style: Perimeter Bolt
- Sold as a pair
Note: 1.000 in. longer head bolts needed on four bottom exhaust bolt holes.
Established in 1970 in Valencia, CA, Air Flow Research is a family-owned and operated company building products for the Professional Racing in addition to Street markets. This includes racers, street performance fans, as well as everyone in-between. The Air Flow Research product lineup contains cylinder heads, intake manifolds, valves, gaskets, carburetor adapters as well as spacers, lifters, fasteners, and more.
