Tach Input Ignition Adapter - 558-302 resonators Intended for use on all

Intended for use on all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads (recalibration of the ECU may be required when using this intake manifold design with OE ECU)

it MUST be used with Part Numbers QPV001 (Combination Valve) and HBR001 (Bracket)

Corvette Fuel and Brake Clips

Application Buick-442 68-69 Chevy-Chevelle 69-72 El-Camino 69-72 Chevy-Monte-Carlo 70-72 Olds-Cutlass 69-71 Pontiac-GTO 69-71 Pontiac-Lemans 69-71

The tubing then runs into a pair of race-proven Outlaw® Series mufflers and the tailpipes include "dummy valve stands" to fool your factory actuators into thinking they're still operating the OE valves

Tach Input Ignition Adapter - 558-302 resonators Intended for use on allOverview: This is only used on applications using a CD Box, such as an MSD 6AL, while not using timing control. Features: Application: Year Make Model Submodel Engine Size Universal Specs: Brand Holley EFI Emission Code 3 Harness Type Ignition Ignition Type CD Ignition (No Timing Control) Product Type Ignition Harnesses