The entire S3 team will be on Christmas holidays from December 24th to January 7th, 2026, inclusive. Orders received during this period will be shipped starting January 8th, 2026. Thank you for your understanding, and we wish you a Merry Christmas and a Happy New Year.

📦

Hmmm, you ask for more units than those available, we give you what we have.

Montesa Cota 315R - Head Cover + Inserts

Montesa Cota 315R - Head Cover + Inserts

STK-315-R

EAN: 8435645092103

Suitable for:

MONTESA

New kit Cylinder head + Inserts ready to assemble and enjoy new sensations!

Two different inserts:

RED: for 250c.c. cylinders (without modification)
BLACK: for cylinders modified to 300c.c. (diameter 76)

S3 cylinder heads lower the operating temperature of the thermal group and eliminate typical hot spots of the melting heads.
Racing finish. Anodized, laser S3 logo.
Make a difference inside and out with her elegant look.
Made of aluminum, and machined to give them a perfect weight and finish.

Discover all the possibilities of adapting your bike with the use of S3 cylinder heads.

*All STKA/STKB kits include: cylinder head, cylinder head and O-rings.

Add