Mast Motorsports
Mast Factory Gen V LT 273cc/58cc 3.780 CNC Port Cylinder Heads Bare w/ OE Valves - CH-LTX-310501
- PART NUMBER:
- CH-LTX-310501
- MPN:
- CH-LTX-310501
- Availability:
- Ships from Manufacturer
- Shipping:
- Free Over $98 In U.S. 48
- Type:
- Gen V LT Cylinder Heads
- Material:
- 319-T7 Aluminum
- CNC Machined Intake Runner:
- Yes
- CNC Machined Exhaust Runner:
- Yes
- CNC Machined Combustion Chamber:
- Yes
- Minimum Bore Size (in.):
- 3.780
- Bolts Per Cylinder:
- 4
- Assembled:
- No
- Intake Valve Angle (°):
- 12.5 x 2.61
- Exhaust Valve Angle (°):
- 12 x 2.38
- Intake Runner Volume (cc):
- 273
- Exhaust Runner Volume (cc):
- 114
- Chamber Volume (cc):
- 58
- Intake Valve (in.):
- 1.928
- Intake Material:
- Stainless Steel
- Exhaust Valve (in.):
- 1.556
- Exhaust Material:
- Stainless Steel
- Valve Guides Included:
- Yes
- Valve Guides Material:
- Powdered Metal
- Intake Seat Material:
- OE Seat Material
- Exhaust Seat Material:
- OE Seat Material
- Valve Job Type:
- OE Port
- Rocker Stands Included:
- Yes
- Valve Springs Included:
- No
- Valve Spring Type:
- N/A
- Valve Spring Max Lift (in.):
- N/A
- Closed Spring Pressure:
- N/A
- Open Spring Pressure:
- N/A
- Retainers Included:
- Optional
- Spring Retainer Material:
- N/A
- Quantity:
- Sold as a Pair
Description
Mast Factory Gen V LT 273cc/58cc 3.780 CNC Port Cylinder Heads Bare w/ OE Valves - CH-LTX-310501
The Mast Motorsports cylinder head product line is completely manufactured from a raw casting to a finished cylinder head in the USA located in Nacogdoches Texas.
Mast refuses to compromise on materials and methods that may jeopardize longevity, performance, and quality. When buying Mast Cylinder heads, you are getting the highest level of quality and performance on the market.
Dimensional Specs
- Bore Size: 3.780" (+)
- Weight: 30 lbs.
- Intake Valve Size: 1.928"
- Exhaust Valve Size: 1.556"
- Valve Stem Diameter: 8mm
- Valve Length: 5.550"
- Intake Valve Angle: 12.5°x2.61°
- Exhaust Valve Angle: 12°x2.38°
- Valve Spring Pocket Diameter: 1.325"
- Valve Spring Install Height: 1.880"
- Head Stud Size: .427"
- Valve Guide OD: .500"
- Valve Job Type: Newen CNC 5 Angle
Air Flow & Performance Criteria
- Intake Max. Flow: 302 CFM @ 0.700"
- Exhaust Max. Flow: 212 CFM @ 0.700"
- Intake Average Flow: 217 CFM
- Exhaust Average Flow: 156 CFM
- Intake Seat Material: OE Seat Material
- Intake Port Volume: 273cc
- Exhaust Port Volume: 114cc
- Standard Chamber Volume: 58cc
- Port Type: CNC
Materials
- Cylinder Head Material: 319-T7 Aluminum
- Intake Valve Seat Material: OE Seat Material
- Exhaust Valve Seat Material: OE Seat Material
- Deck Thickness: .300"
- Rocker Stand Type: Pedestal
- Rocker Arm Type: LS7 Exhaust 1.8 Ratio
- Guide Material: Powdered Metal
General
- Rocker Stand Type: Pedestal
- Rocker Stands Included: Built-In
- Rocker Stand Dowels Included: N/A
- Uses Stock Rocker Bolts: No
- Rocker Bolts Included: No
- Rocker Arm Type: LS7 Exhaust 1.8 Ratio
- Head Bolt QTY: 4 Bolt Style
- Valve Cover Rail Height: + ½ inch
- Can use OE Valve Cover: Yes
Custom Options Available
- Head Assembly