LSXCELERATION

LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0.660" Lift, Steel Retainers 15-361231-2

PART NUMBER:

15-361231-2

UPC:

MPN:

15-361231-2

Shipping:

Free Over $98 In U.S. 48

Type:

LS3 Cylinder Heads - Assembled

Material:

Aluminum

CNC Machined Intake Runner:

Yes

CNC Machined Exhaust Runner:

Yes

CNC Machined Combustion Chamber:

Yes

Minimum Bore Size (in.):

4.000

Bolts Per Cylinder:

6

Assembled:

Yes

Valve Angle (°):

11

Intake Runner Volume (cc):

280

Exhaust Runner Volume (cc):

108

Chamber Volume (cc):

68

Intake Valve (in.):

2.165

Intake Valve Material:

Stainless

Exhaust Valve (in.):

1.600

Exhaust Valve Material:

Inconel

Accessory Holes:

Yes

Coolant Cross Over Ports:

OEM Style

Valve Guides:

Bronze

Intake Seat Material:

Ductile Iron

Exhaust Seat Material:

Ductile Iron

Valve Job:

5-Angle

Rocker Stands Included:

Yes

Rocker Stand Material:

Billet Aluminum

Valve Spring Type:

Dual

Valve Spring Max Lift (in.):

0.660

Closed Spring Pressure:

155 @ 1.800

Open Spring Pressure:

420 @ 1.125

Spring Retainer Material:

Steel

Valve Seals:

Metal Body Viton

Quantity:

Sold as a set

Notes:

6 bolt casting. These cylinder heads can only be used with a minimum bore diameter of 4.000 in. Includes new rocker arm rail mounts for use with LS3 rocker arms. OEM rocker arm rail mounts will not work with these heads.