Hayabusa Cylinder Head

Set of High Quality Heavy Duty Cylinder Head Studs 10 x 1.25mm Rolled Threads, Studs, Washers and Nuts made from EN24T Heat Treated to 12.9
They are 170mm long (long enough to fit up to 5mm spacer)
Replaces Original Bolts.
Studs Improve Cylinder Head Sealing & Prevent Damage to Block Threads.
EXT-10016 Heavy Duty Cylinder Head Studs and Nuts

Customer to supply cylinder head.

Hayabusa full cylinder head gasflow.

Suitable for Gen 1 & Gen 2

EXT-10031 Hayabusa Full Cylinder Head Gasflow Gen 1 & Gen 2

Customer to supply cylinder head.

Hayabusa full cylinder head gasflow. Stage 2.

Supply and Fit 16 x Short bronze valve guides.
Valve seats cut to +1mm valves 3 angle.
Supply only 16 x 1 piece steel race valves +1mm, exhaust and inlet.
Supply only full set of heavy duty valve, springs and retainer kit.

Suitable for Gen 1 & Gen 2.

Please allow 2 weeks after we have received your cylinder head.

EXT-10031A Hayabusa Full Cylinder Head Gasflow Stage 2 Gen 1 & Gen 2