Cylinder Head, 2017 AKRA Ported 158 Cast Blue Printed Bolt On

  • Model: BSP-1115-PORTED
  • Shipping Weight: 1lbs
  • Manufactured by: Box Stock Project


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This head is completely assembled and blue printed to 2017 AKRA Rules Bolt on and GO FAST!
JT-158 Cylinder Head, Clone OEM 6.5 22cc

We have invested many hours on the flow bench and dyno to bring you the optimal custom port design. To produce the most power, not only do we hand port the head, we also mill the head for the minimum CC check and do our own custom multi angle valve job. We have seen huge gains on top end!

Note - This head is legal per 2017 AKRA Rules

Kit Includes;
Intake and Exhaust Valves
Inlet Valve Oil Seals
Intake and Exhaust Valve Retainers
Performance Springs 10.8lb
Lash Cap
Rocker Arm Assembly consists of the following: (rocker pivot bolts, rocker pivots, rocker lock nuts, and rocker arms.)
Push rod guide plate  
Carburetor studs
Exhaust studs
Exhaust Nuts.

This product was added to our catalog on Thursday 02 March, 2017.

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