Buschur Racing Stage 3 Cylinder Head - DSM Exhaust Manifolds - Engine - DSM Performance Parts

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DSM Performance Parts | DSMparts.com :: Engine :: DSM Exhaust Manifolds :: Buschur Racing Stage 3 Cylinder Head

Buschur Racing Stage 3 Cylinder Head

Product Details

This is the Buschur Racing Stage 3 Cylinder Head the 6bolt DSM engine.

Standard assembly includes:
- Custom BR dual stainless steel valve springs
- BR titanium retainers
- New Valve Seals
- BR stainless .5mm over intake valves
- BR stainless .5mm over exhaust valves
- Stainless Oring around each combustion chamber
- Complete port & polish job
- Stainless Steel O-Ring
- New Bronze Valve Guides

* Add Inconel Exhaust Valves instead of S.S. for $59.

* New Valve Seats: $60ea.

Does NOT include lifters, rockers or camshafts.

Instead of throwing around flow bench numbers that can't be compared to other flow benches anyway, we're going to list our percentage gains at 5 valve lift positions vs our stock baseline flow numbers:

Lift at the valve / Intake % / Exhaust %.
100" / +27% I / +10% E
200" / +19% I / +10% E
300" / +14% I / +19% E
400" / +19% I / +23% E
500" / +20% I / +29% E

All ports were flowed on their own at 28inches, without intake or exhaust tubing. It is important to not just look at someone's advertised flow ratings, because CFM ratings don't mean anything unless they are from the same head, on the same bench, with the same operator, under the same conditions.

Part# 10070-BR