Home / S3 PARTS / CYLINDER HEADS & O-RING KITS / S3 Cylinder Head Kits / Sherco Sherco Showing all 2 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low S3 Cylinder Head with EXTREME Insert to suit 250cc or 300cc, 2016 and Earlier *SPECIAL ORDER $230.00 inc. GST Select options S3 Cylinder Head with EXTREME Insert to suit 250cc or 300cc, 2017 to Current *SPECIAL ORDER $230.00 inc. GST Select options