T4/914 Head Machining
| Service | Price per pair |
| Open head to 103-105 | 50 |
| Deck cut with open up | 15 |
| Fly cut only | 40 |
| Hemi cut | Call |
| Unshroud valves | 90 |
| Gusset | Call |
| Cut for dual springs | 25 |
| Clean used head | 30 |
| 10mm spark plug T6 aluminum weld in insert | 95 |
| 6 stud head and case machining | Call |
| CC head | 35 |
| Stage 1/2/3 port and polish | Call |
| Complete high performance rebuild on your good clean T4/914 head: includes tapered guides, special valve seats guaranteed to never drop out, stage one port and polish, stainless steel valves up to 50mm x 40mm, HD single springs with chromoly retainers, open to 103-105, unshroud valves, CC head | 979 |
| Same as above with new heads T4/914 | 1695 |
T4/914 Case Machining
| Service | Price |
| Line bore (.020) with cam bore (std) | 80 |
| Clearance for larger stroke | Call |
| Oil galley plugs thread in | 75 |
| Open up with deck 103-105 | 75 |
| Deck only | 25 |
| 6 stud case and head conversion (welding) | Call |
| Remove head studs | From 20 |
| Clean case (solvent wash) | 40 |
Other Machining
| T4 crank and flywheel 4 dowel (high HP) | 90 |
| Clearance case and rods | Call |
| Prop modification to T4 crank | Call |
| Straight cut adjustable steel crank and cam gear (half price with engine kit or machining) | 100 |
Engine Kits and Parts
Used T4/914 Engine Parts
- Factory oil pumps
- 914 oil windage tray
- Factory 914 3-stud head
- Bus factory head
- T4 engine case
- Std crank gears
T4/914 Engine Kits
- Mild to Wild (No Machining) Bus Special, 78mm x 94mm, 2165cc ($1,495) - Includes pistons and liners, shims to compensate for 78mm stroke, special rods, rod and cam bearings, gasket set, front and rear seals, new forged crankshaft
- Machining Required 71mm Std 2.0 x 104mm, 2412cc ($1,595) - Includes 104mm pistons and liners, rod and cam bearings, gasket set, front and rear seals. Case and head open up half price with kit.
- Machining Required 78mm x 104mm, 2650cc ($1,695) - Most horsepower for the money - Includes 104mm pistons and liners (flat top), special rods, rod and cam bearings, gasket set, front and rear seals, new forged crankshaft. Case and head open up half price with kit.
- Max 86mm x 104mm, 2922cc ($1,895) - Same as above with special machining. Please call if you are interested in this package.
Mark Stephens High Performance
Type 4/914 Specialist
New and used engine parts and engine kits
- Over 30 years experience
- First to import and machine used Type 4/914 engines from Germany (1976)
- First to introduce many necessary improvements to T4/914 engine
Next Steps...
Please call before sending parts to be machined. If you leave a message, I will return your call as soon as I can.