Suzuki RM80 RM85 Phathead cylinder head kit 1991-2025+ Kawasaki See compression release fitting for

See compression release fitting for the brass fitting that the button threads into

2cc (105+ octane)

HF24  - 14

SX65  StockSX66 (100+ octane)SX67 (105+ octane)

We anticipate all colors available by mid summer or sooner

Suzuki RM80 RM85 Phathead cylinder head kit 1991-2025+ Kawasaki See compression release fitting forSuzuki RM85 Phathead cylinder head kit 1991 2025+ the inserts are cut for the 85 bore which is . 5mm larger than the 80. Compression is nearly identical, slightly less with the 80cc motor. Chamber selection: S01 6. 9cc Stock S02 6. 4cc (95+ octane) S03 5. 9cc (100+ octane) S04 5. 6cc (105+ octane) 103cc 52 53mm big bore chamber 100+ octane for use with big bore piston Phathead Kits include a head shell with one combustion chamber, two sets of o rings,