Air Flow Research
AFR Mongoose LS 215cc Cathedral Port CNC Cylinder Heads
- PART NUMBER:
- 1531
- Availability:
- Ships from Manufacturer
- Shipping:
- Free Over $98 In U.S. 48
- Type:
- Cathedral Port Cylinder Heads
- Material:
- A356 Aluminum
- CNC Machined Intake Runner:
- Yes
- CNC Machined Exhaust Runner:
- Yes
- CNC Machined Combustion Chamber:
- Yes
- Minimum Bore Size (in.):
- 3.900
- Bolts Per Cylinder:
- 4
- Valve Angle (°):
- 15
- Intake Runner Volume (cc):
- 215
- Exhaust Runner Volume (cc):
- 85
- Chamber Volume (cc):
- 65
- Intake Valve (in.):
- 2.020
- Exhaust Valve (in.):
- 1.600
- Accessory Holes:
- Yes
- Coolant Cross Over Ports:
- Yes
- Rocker Arm Rails:
- No
- Valve Guides Included:
- Yes
- Valve Guides Material:
- Bronze
- Intake Seat Material:
- Ductile Iron
- Exhaust Seat Material:
- Ductile Iron
- Valve Job:
- 5-Angle
- Quantity:
- Sold as a pair
Description
AFR Mongoose LS 215cc Cathedral Port CNC Cylinder Heads
AFR’s 215cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout. Recommended for moderate street or street/strip builds with displacements up to 408 cubic inches, operating up to 6500 RPM. Requires minimum 3.900” bore size for intake valve clearance.
| Included Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
| Competition 5-angle Valve Job | |
| 8mm Bead Lock Intake Valve, 2.020” x 4.900" Overall Valve Length |
AFR #7207
|
| 8mm Bead Lock Exhaust Valve, 1.600” x 4.900" Overall Valve Length |
AFR #7228
|
| PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500, less than 235* duration, upgraded spring #8019 recommended for higher RPM & larger cams |
AFR #8017
|
| 7° Titanium Retainers 1.245" O.D x .885" I.D x .655" I.D |
AFR #8512
|
| 7° Bead Lock Valve Keepers |
AFR #9007*
|
| Viton Valve Seals .600" O.D x .495" I.D |
AFR #6612
|
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D |
AFR #8042
|
| Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep |
AFR #9059
|
| Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep |
AFR #9069
|
| 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
AFR #9051
|
*LSX bead locks and aftermarket bead locks are not interchangeable. GM made their bead lock radius and depth different. AFR locks are the same as GM LSX.
| 215cc Competition Flow Chart | ||||||
| .200 | .300 | .400 | .500 | .550 | .600 | |
| Int | 149 | 215 | 259 | 293 | 300 | 303 |
| Exh | 111 | 150 | 209 | 225 | 230 | 233 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.060", intake 3/4" radius plate exhaust, 1 3/4" curved pipe
Installation Instructions located in the picture section
Warranty Information
Effective on purchase made on or after January 1, 2010, AFR warranties AFR aluminum cylinder head castings for the lifetime of the product with proof of purchase to the original purchaser. Additionally, valves, guides, valve seats, valve springs, retainers, locks, studs, guide plates, and valve seals are warranted for two years to the original purchaser with proof of purchase. All returns must have a RMA number in order to be returned, call for a RMA number. Parts must be returned prepaid freight by the original purchaser. When it has been determined, by AFR at its sole discretion, that the product does indeed have a warrantable problem from workmanship, materials, or an undetermined cause (mystery failure) AFR will repair at no charge and reimburse UPS ground freight and return UPS ground freight. AFR will repair or replace the casting at its option. This warranty doesn’t cover fitness for purpose and/or merchantability on any product sold by AFR. Non-AFR castings are covered by the manufacturer of that casting.
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