【SIP BFA】 シリンダーヘッド SIP BFA 306 cc

aluminium
Φ 78mm
8-times bolted
TUNING RACE - for professionals
For race use only. Not admitted in the area of the German StVZO！

Technical tipsはこちら
Technical tipsはこちら
Performance diagramsはこちら
Performance diagramsはこちら
Technical tipsはこちら
Technical tipsはこちら

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Cylinder-head for Vespa Largeframe scooters with SIP-BFA Engine.
Our SIP-BFA crankcases open the door to hitherto unprecedented performance.
In particular so in combination with the cylinder kits BFA developed for these engines.
These have been designed from the ground up，including the cylinder heads to complement them.
Central spark plug
O-Ring sealed
8 bolt design for centring and secure warp free mounting
The heads come with everything that you may expect from a designed cylinder head of a tuning kit.
They are machined to recess into the barrel’s bore for centring.
The 8 bolt design guarantees that the head is held down in place，no matter what，to prevent leaks.
In addition to that they are sealed with an O-ring.
To make the combustion as efficient and homogeneous as possible the spark plug sits in the centre of the combustion chamber.
Conclusion：to be used either as a spare part，or for tuning experiments.
First choice as original part for the SIP-BFA cylinder kits.
The Best Setup - Our SIP-Tip：
As standard these heads only fit the BFA 225 and 306 cylinder kits.
Make sure to order the correct thread length，i.e.
DENSO IW 31 Art.-No.
88571000 or NGK BR10EIX Art.-No.
NGKBR10EIX
Use a torque wrench to fit the head free of tension：Art.-No.
20837516.

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