Mishimoto LS Heatsink Ignition Coils for 1999-2007 GM TruckMishimoto LS Heatsink Ignition Coils (Set of 8) for 1999 2007 GM Truck (Silverado Sierra) These are Mishimoto's replacement for the popular "heatsink" style LS ignition coils that everybody wants to run on their turbo builds. They D585 Heatsink style ignition coils have been known to provide the strongest spark output below 5ms dwell compared to all other factory ignition coil options. The basic requirements for a properly running engine are fuel,

This fuel filter features an internal bypass that regulates fuel output pressure to 58psi

bright-dip black anodized finish on the cap and base

Let Speed Engineering's catch cans clean up your mess

5psi 90%DC Turbo 1606

We've had tons of customers select this camshaft when looking for a cam that drives well and can be daily driven without any issues

and 6 x 11

K&N HP-1017

The low resistance results in less loss in spark energy so more reaches the spark plug

(16) SR008-16 BTR Titanium Retainers For Platinum and Extreme Dual Springs

Fueling your high horsepower late model GM truck just got a lot easier

It is not designed to work with any factory exhaust manifold equipment

Note: These are designed to be a direct replacement for the two-bolt square GM truck ignition coils (GM Part #12611424)