
1986-92 Mazda RX-7 Performance Parts : Engine - Porting Tools
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Porting Template - Streetable Exhaust 13B
The Racing Beat "Streetable" Exhaust Port Templates for all 13B engines allow you to undertake your own exhaust porting efforts. These templates are traced from Racing Beat's own master templates, which are the result of years of...

Porting Template - Streetable Exhaust 12A
The Racing Beat "Streetable" Exhaust Port Templates for all 12A engines allow you to undertake your own exhaust porting efforts. These templates are traced from Racing Beat's own master templates, which are the result of years of...

Grinding Stone - Ball Shape
This grinding stone has the following specifications:
Grinding stone, ball shaped, 1/8" shank diameter by 3 1/2" overall length (stone 1/2" diameter). Our experience has shown that an average of four (4) grinding stones are...

Porting Template - Race Exhaust 13B
The Racing Beat Race Exhaust Port Templates for all 13B engines allow you to undertake your own exhaust porting efforts. The race version of these templates open the exhaust port further "upwards", increasing the port timing duration which...



