top of page

Speed Store
Brands
About us
Contact us
News
More

Use tab to navigate through the menu items.

This stud kit is often used with Factory cast iron Mazda plates

12A 1/2UNF STUD KIT (Cast plates)

SKU: 1-2UNF12A

$649.95Price

Quantity*

Out of Stock

Related Products

Genuine Mazda 12A-13B Exhaust manifold Gasket

Genuine Mazda 12A-13B Exhaust manifold Gasket

Genuine Mazda 12A-13B Exhaust manifold gasket

POWER SEALS 12A-13B Exhaust manifold gasket

POWER SEALS 12A-13B Exhaust manifold gasket

Power Seals 12A-13B Exhaust manifold gasket

13b Centre bearing E-shaft

13B centre bearing crank

13B Billet X40 Centre Bearing (White metal) Eccentric Shaft

Direct clutch HD RX-8 CLUTCH KIT

HD RX-8 CLUTCH KIT

Direct Clutch RX-8 HD Clutch kit

Billet Pro 5 ply muti V 12a/13b Billet Rotary water pump

Billet Pro 5 ply muti V 12a/13b Billet Rotary water pump

Billet Pro Multi V Water Pump

13B 50mm Billet PP (peripheral port) Intake flange

Gipp 13B 50mm Billet PP (peripheral port) Intake flange

Gipp Billet 13B PP Intake flange

Iannetti Single Piece Apex Seals – 13B (3mm) – Gold Ceramic IAS

Iannetti Single Piece Apex Seals – 13B (3mm) – Gold Ceramic IAS

Iannetti (GOLD) 3mm Single Piece Ceramic Apex Seals

Genuine Mazda FC S5 Water pump gasket- N386-15-116

Genuine Mazda FC S5 Water pump gasket- N386-15-116

Genuine Mazda RX-7 FC S5 Water Pump Gasket

Genuine Mazda FC S4 Water pump gasket N3Y3-15-116

Genuine Mazda FC S4 Water pump gasket N3Y3-15-116

Genuine Mazda RX-7 FC S4 Water Pump Gasket

E&J Autoworks 12A Turbo Apex Seals

20B Rotary Lightweight front nut

20B Rotary Lightweight front nut-Billet rotary

Gipp 20B front nut

E&J Autoworks 3mm Apex seals

Early 13B Pump Chain

Mazda Rotary Oil Pump Chain (Early)

E&J Apex seals

E&J Autoworks 2mm (RACE) Apex seals

Xtreme Rotaries 26B Throttle body kit

Xtreme Rotaries 26B Throttle body kit

Xtreme Rotaries 60mm 26B IDA Throttle body kit (E85/Methanol)

20B Rotary Billet dry sump plate

20B Rotary Billet dry sump plate

Billet 20B Dry Sump Plate

Keep up to date

Talk to us

sales@billetrotary.com.au

Follow us

© Billet Rotary Store 2025

Shipping & Refund Policy

bottom of page