testing new setup..

new setup for trial test.
running a12 head taken off from c20 ( 11pcs screw stud )
will do a round intake porting for smooth turbulence flow.
dual valve spring as usual for high rev point.
a15 valve to replace a12 as oversize valve.
running a twin su carb from a12gx and a nismo header base on ts cup spec./

1978 a12 engine

its totally different from the kouki model A series engine

alternator on the left side
distributor on the front right while the ac pump position the distributor
the engine mounting position also different

stage 2 upgrade

lil sunny A12 receive stage 2 upgrade



-60' cam
-a15 head
-dual valve spring
-light weight push rods
-tomei 0.6mm gasket
-side draft twin dellorto 40 dhla

Hard core products for Sunny