Skip to product information
1 of 5

Backyard Performance NZ

70mm Bore Racing Block

70mm Bore Racing Block

Regular price $130.00
Regular price Sale price $130.00
Sale Sold out
Shipping calculated at checkout.

Low stock: 2 left

Wanna have more capacity without a weight and size compromise? This is for you!!

Gx200 block with 70mm Bore! With up to 55mm stroker crank to max your torque,other size cranks available,  capacity will increase with head of your choice as we stock, 14cc and 18cc heads.....More stroke equals more torque. Or you can run your stock 196cc crank and up your displacement 

Max cc with 55mm crank is 212cc. 

Take note this block has substancial extra material for strengthening,  around the head, top and bottom, a brace from base to head, and clearance in block for rod in base and top of cylinder

 

 

 

Make power with Ease!

View full details