Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
-12 B MC Series Cylinder Heads270cc Intake Port Volume 68cc Combustion Chambers 70/125 Valve Centerline
- -12 B MC Series Cylinder Heads
- 70/125 Valve Spacing
- 270cc Intake Ports
- 68cc Combustion Chambers
- 2.200'' Intake / 1.600'' Exhaust Valve Sizes
- Angle Plug
- Bare, 2/pkg.
This head is sold as an unassembled bare casting. It is finished machined and includes valve guides and valve seats installed. This head does NOT include studs, valves, springs retainers or locks.
Cylinder Head Specifications - Intake Port Volume: 270cc (No Porting)
- Combustion Chamber Volume: 68cc
- Valve Sizes: 2.200' Intake / 1.600' Exhaust ( 11/32' Stem Diameter )
- Spark Plug Configuration: AngledFacts and Related Components
- Torque Heads: 70 ft-lb.
- Torque Rocker Studs: 40-45 ft-lb.
- Intake Gasket: Modified Fel-Pro p/n 375-1263
- Head Gasket: Fel-Pro p/n 375-1003 (350ci) / 375-1004 (400ci) or Cometic p/n 245-C5399 (350ci) / 245-C5403 (400ci)
- Exhaust Gasket: Brodix p/n 158-MG52464, Cometic p/n 245-C5424 (Spread Port)
- Head Studs: ARP p/n 070-234-4723 (12-point with 3/8' center studs)
- Spark Plug Specs: 14mm Thread, .750' (3/4') Reach, Gasket Seat
- Valve Angle: 15°
- Angle Milling: .0065' per cc
- Flat Milling: .0055' per cc
- Pushrod Slots: 70/125
- Stud Girdle: N/A
- Rocker Arms: Shaft System with 40/60 Spacing (Check heads for intake offset) - T&D 22071
- Lifters: .180' Offset
- Pistons: Special 15°
- Pushrods: Special Length
- Intake Face Angle: 10°
- Exhaust Pattern: Spread Port - Stahl Header Flange Bolt Pattern
- Valve Centerline: 70/125
- Spring Pockets: 1.550' Out of the Box, May be cut to 1.625' - No larger or deeper
- Accessory Bolt Holes are Drilled
- Recommended Intake Manifold: Brodix HV 1200 (p/n 158-HV1200), HV 1201 (p/n 158-HV1201)
Part TypeCylinder Head
BrandBRODIX
Package Height11.0
Package Width17.5
Package Length25.25
Weight64.4 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number1150001
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
