PISTON KIT VERTEX 78.0 B HC HONDA CRF 250R 2009, VERTEX 23529B GP RACER CHOICE HC COMPR 13,7:1
Vertex UK piston kit 23529B HC. Compression ratio 13.7:1. GP Racer Choice. Bore size 78.00mm [B 77.96mm]. Standard pistons and components are OEM replacements. Kits include piston, rings, wrist pin and circlips. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as STD. Replacement parts: Rings 590278000002 SET, Pin 715380, Clips 72055. Cross reference numbers ONLY: RING SET, PISTON (STD) 13011-KRN-A10, PISTON 13101-KRN-A10, PIN, PISTON 13111-KRN-850, CLIP, PISTON PIN (16MM) 13115-KM7-700. Weight 260g.
- SKU
- 23529B
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex GP Racer Choice High Compression Piston Kit
This Vertex piston kit is designed for high-performance applications, offering a GP Racer Choice HC (High Compression) configuration with a 13.7:1 compression ratio.
Key Features:
- High compression ratio of 13.7:1 for increased power output.
- Piston features a bore size of 78.00mm (specific B measurement is 77.96mm).
- All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for enhanced durability.
- Kits include the piston, rings, wrist pin, and circlips for a complete installation.
- Replacement rings are available individually.
- Manufactured in Italy, ensuring quality craftsmanship.
- Vertex pistons are frequently fitted as standard equipment (STD) on many OEM bikes.
Included Components:
- Piston
- Rings
- Wrist Pin
- Circlips
Replacement Parts Available:
- Rings: 590278000002 SET
- Pin: 715380
- Clips: 72055


