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Polini Item number: P3170111

Stud-kit -M7 x 158mm- -POLINI- (used for cylinder Vespa V90, PV125, ET3, PK80, PK125 (with crankshaft stroke=54mm))

9 Ratings

19,90 €*

available immediately

Shipping weight 0,2 kg

Information on product safety

Cylinder stud bolt set consisting of:

4x stud bolt M7x158mm (thread length 20mm + 25mm)
4x washer M7
4x nut M7 (stepped)

Ideal set for cylinders which are driven with a thick spacer for a long connecting rod.
18mm longer than the standard bolts.
An ideal complement are the high-strength Naraku collar nuts which are much harder than the nuts supplied by Polini.

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This is how we ensure, that reviews come from real consumers.

Anonym 07/01/2015

ho scoperto sul vostro sito questo prodotto, utilissimo per le corse maggiorate

Anonym 11/17/2015

Diese Stehbolzen wurden in einer 150 VBB mit 125er PX Motor verbaut. Durch 60 mm Hub und Dichtungen waren mir dir 140 mm Stehbolzen einfach zu kurz. Bin mit dieser Qualität bei dem Preis sehr zufrieden!

Anonym 01/10/2016

Leider nicht günstig, aber gut.

Anonym 02/23/2016

Aufgrund des geplanten Motors notwendig.

Anonym 07/27/2017

Diese Zylinderstehbolzen sind die Beste Lösung wenn man z.B. Zylinderköpfe mit höherer Verdichtung verbaut.

Anonym 07/31/2017

Optimal wenn die originalen Stehbolzen zu kurz sind

Franziska D. from Dogern 05/30/2025

Tecnigas P. from Crespià 08/07/2025

Christoph R. from Pfaffenhofen 08/17/2025

Rate this product now

Stud bolt

Thread 1

M7x1,0

Thread 2

M7x1,0

Length thread 1

25,0mm

Length thread 2

20,0mm

Shank length

113,0mm

Total length

158,0mm

Shank diameter

7,0mm

Quantity included in delivery

4

one thread as screw-in side

nein

Material

Stahl

OEM numbers (for comparison purposes only)

Scooter Center:

P3170111

Polini:

317.0111, 3170111, P317.0111, P3170111

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