AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads.
This .060" oval port intake gasket is specifically made to match AFR Big Block Chevy oval port cylinder Heads. Ensure the best seal with AFR's custom designed intake gaskets.
This .060" oval port intake gasket is specifically made to match AFR Big Block Chevy oval port cylinder Heads. Ensure the best seal with AFR's custom designed intake gaskets.
These AFR Specific Rockers provide the best possible wipe pattern for our latest BBC V2 Cylinder Heads.
These AFR Specific Rockers provide the best possible wipe pattern for our latest BBC V2 Cylinder Heads.
This T&D Shaft Mount System is designed for AFR's BBC Magnum Cylinder heads with a 1.7 rocker ratio. Get the most out of your AFR BBC cylinder heads with these high quality shaft mount systems from T&D Machining.
This T&D Shaft Mount System is designed for AFR's BBC Magnum Cylinder heads with a 1.7 rocker ratio. Get the most out of your AFR BBC cylinder heads with these high quality shaft mount systems from T&D Machining.
Recommended for agressive street or street/strip applications with displacements up to 540 cubic inches, operating at or below 6800 RPM. Featuring fully CNC machined intake runners, exhaust ports and combustion chambers. These heads are capable of flowing 387 CFM at 0.800" of lift.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-Angle Valve Job |
|
11/32" Intake Valve, 2.250" x 5.500" O.A.L | |
11/32" Nail Head Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
10° 11/32” Valve Keepers with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
315cc Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | |
Int | 163 | 239 | 301 | 349 | 380 | 386 | 387 |
Exh | 138 | 184 | 238 | 271 | 285 | 293 | 299 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", 3/4" radius plate exhaust, 2 1/8" curved pipe
Recommended for agressive street or street/strip applications with displacements up to 540 cubic inches, operating at or below 6800 RPM. Featuring fully CNC machined intake runners, exhaust ports and combustion chambers. These heads are capable of flowing 387 CFM at 0.800" of lift.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5-Angle Valve Job |
|
11/32" Intake Valve, 2.250" x 5.500" O.A.L | |
11/32" Nail Head Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
10° 11/32” Valve Keepers with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
315cc Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | |
Int | 163 | 239 | 301 | 349 | 380 | 386 | 387 |
Exh | 138 | 184 | 238 | 271 | 285 | 293 | 299 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", 3/4" radius plate exhaust, 2 1/8" curved pipe
Recommended for radical "Pro Street" or racing applications with displacements up to 605 cubic inches, operating at or below 7400 RPM. AFR's 357cc cylinder heads features fully CNC machined intake runners, exhaust ports and combustion chambers; capable of flowing 425 CFM at 0.800" of lift. These cylinder heads now come standard with Titanium retainers.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5 Angle Valve Job |
|
11/32" Intake Valve, 2.300" x5.500" O.A.L | |
11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Titanium Retainers 1.500" O.D x 1.180" I.D x .765" I.D | |
10° 11/32" Valve Locks with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
357cc Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | |
Int | 167 | 242 | 307 | 354 | 389 | 409 | 419 |
Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
Recommended for radical "Pro Street" or racing applications with displacements up to 605 cubic inches, operating at or below 7400 RPM. AFR's 357cc cylinder heads features fully CNC machined intake runners, exhaust ports and combustion chambers; capable of flowing 425 CFM at 0.800" of lift. These cylinder heads now come standard with Titanium retainers.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5 Angle Valve Job |
|
11/32" Intake Valve, 2.300" x5.500" O.A.L | |
11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Titanium Retainers 1.500" O.D x 1.180" I.D x .765" I.D | |
10° 11/32" Valve Locks with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
357cc Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | |
Int | 167 | 242 | 307 | 354 | 389 | 409 | 419 |
Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
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.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5 Angle Valve Job |
|
11/32" Intake Valve, 2.300" x5.500" O.A.L | |
11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
10° 11/32" Valve Locks with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
335cc Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | |
Int | 164 | 240 | 304 | 352 | 385 | 401 | 409 |
Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
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.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5 Angle Valve Job |
|
11/32" Intake Valve, 2.300" x5.500" O.A.L | |
11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D | |
10° 11/32" Valve Locks with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
335cc Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | |
Int | 164 | 240 | 304 | 352 | 385 | 401 | 409 |
Exh | 135 | 199 | 249 | 276 | 288 | 295 | 305 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
Best suited for +540 cubic inch large displacement big block chevy racing engines, operating at or below 7600 RPM. Our 37cc cylinder heads feature fully CNC machined intake runners, exhaust ports and combustion chambers. Equipped with Titanium retainers and high quality components, these heads are capable of flowing 437 CFM at 0.900" of lift.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5 Angle Valve Job |
|
11/32" Intake Valve, 2.300" x5.500" O.A.L | |
11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Titanium Retainer 1.500" O.D x 1.180" I.D x .765" I.D | |
10° 11/32” Valve Keepers with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
377cc Competition Flow Chart | ||||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | .900 | |
Int | 168 | 247 | 311 | 355 | 405 | 420 | 429 | 432 |
Exh | 134 | 190 | 240 | 280 | 299 | 308 | 314 | 319 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
Best suited for +540 cubic inch large displacement big block chevy racing engines, operating at or below 7600 RPM. Our 37cc cylinder heads feature fully CNC machined intake runners, exhaust ports and combustion chambers. Equipped with Titanium retainers and high quality components, these heads are capable of flowing 437 CFM at 0.900" of lift.
Included Components | |
100% CNC Ported Combustion Chambers | |
100% CNC Ported Exhaust Ports | |
100% CNC Ported Intake Ports | |
Competition 5 Angle Valve Job |
|
11/32" Intake Valve, 2.300" x5.500" O.A.L | |
11/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L | |
PAC Racing #1224 1.625” OD Solid Roller Dual Valve Spring 275 lbs. on seat, .850” maximum lift, Max RPM 7400-7600 (upgrades available) | |
10° Titanium Retainer 1.500" O.D x 1.180" I.D x .765" I.D | |
10° 11/32” Valve Keepers with lashcap recess | |
ARP 7/16” Rocker Studs Intake | |
ARP 7/16” Rocker Studs Exhaust | |
Adjustable 3/8" Guide Plates | |
11/32" Viton Valve Seals | |
Hardened Spring Cup 1.740" O.D / 1.650" I.D | |
Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep | |
Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep | |
11/32" Intake Bronze Valve Guides .502" O.D x 2.10" O.A.L | |
11/32" Exhaust Bronze Valve Guides .502" O.D x 2.25" O.A.L |
377cc Competition Flow Chart | ||||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | .900 | |
Int | 168 | 247 | 311 | 355 | 405 | 420 | 429 | 432 |
Exh | 134 | 190 | 240 | 280 | 299 | 308 | 314 | 319 |
Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe
You’ll be first to know about Air Flow Research products, discounts and special events!