Square Ignition Coil Brackets for LS D585 Heat-sink Truck Coils 4.8 5.3 5.7 6.0 for LS1 LS2 LS3 LS6 LM7 L33 LFA LSA LS9 Engine. This will only fit for Heat Sink Style D585 Coils. For LS1 LS2 LS3 LS6 LM7 L33 LFA LSA LS9 LH6 LQ4 LQ9 L76 L92 L99 L96 LC9 LY6 LMG LH8 Engine.