Honda CR80 CR85 86-07 Phathead Racing cylinder head kit Color:Gold High compression (100+ octane)

High compression (100+ octane)

Suzuki RM85 Phathead cylinder head kit 1991-2021+

2cc stock compression

One of the main benefits of the product is the replaceable combustion chamber which are available in a range of compression options

TT350 YFM200 Moto-4 YFM225 Moto-4 YFM350ER Moto-4 YFM350FW Big Bear 4x4 YFZ350 Banshee 1986

Honda CR80 CR85 86-07 Phathead Racing cylinder head kit Color:Gold High compression (100+ octane)Honda CR85 86 07 Phathead Racing cylinder head kit Chamber selection: H01 8. 2cc Stock H02 7. 6cc 95+ octane H03 7. 1cc 100+ octane H04 6. 4cc 105+ octane Phathead Kits include a head shell with one combustion chamber, two sets of o rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and installation instructions.. Phathead cylinder heads are made of 6061 T6 billet aluminum. The material is stronger and transfers heat