Napp Motorsports
Miata Forged Engine Build in a Box
Miata Forged Engine Build in a Box
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PLEASE NOTE - THERE IS A LEADTIME ON THIS KIT - FACTOR 3-6 WEEKS - I will reach out once I have a more accurate lead time.
After years of building reliable high horsepower miatas for my customers, this combination of parts have been selected to work for customers with power goals between 250-400WHP.
This assumes that you are working with a reputable machine shop, I will provide printed specifications with each kit, as to all the clearances that I use for machine work, I will also provide a break in procedure for you to follow.
This is a predetermined Kit, if you would like a different configuration please reach out. However, we would very much recommend sticking with the core configuration that will be suitable for up to 400WHP with the correct turbocharger on 93 octane fuel.
This kit is everything you need, to take your stock miata engine and upgrade it to a fully forged setup. It uses the stock camshafts, valves, and retainers which deliver the best response for a road going high horsepower miata.
Attention SNC 1.6 Customers: Fluidampr crank pulley does not fit on a short nose setup so it is excluded from that kit.
Attention LNC 1.6 Customers: When running the Fluidampr, you will have to switch your water pump pulley and alternator to a 94-97 setup for the ribbed belt. These are not included in the package.
Includes
Supertech Forged Pistons - 9.0:1
Manley Forged Rods
ARP Head Studs
ARP Main Studs
Race Main Bearings in STD
Race Rod Bearings in STD
Engine Freeze Plug Kit
Engine Oil Gallery Plug KIt
Cat Cams Valve Springs
Complete Genuine Gasket Set
Upgraded Cast Impeller Water Pump
Fluidampr Harmonic Balancer (Excluding 1.6 SNC)
36-2 Trigger Wheel
New Lower Timing Cover Kit
Gates Timing Belt Kit
NGK Spark Plugs (Turbo Heat Range)
Supermiata Coolant Re-Route Kit
Boundary Stage 2 Oil Pump
OEM Crank Bolt
OEM Crank Key
OEM Head Dowel Pins
RTV
Assembly Lube
Oil Filters
Bolt Mark
Plastigauge
Piston Ring Compressor
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