F.A.S.T Replacement optical Trigger for XR700 10252S 6 Lug) 95-99 Tahoe/Yukon (2&4DR)

6 Lug) 95-99 Tahoe/Yukon (2&4DR) 92-99 Suburban & 6 Lug 3/4 Ton 2" or 3" DropVehicle Applications: 1988-1998 Chevrolet Silverado/Sierra C1500 (Ext Cab

GM F-Body 1968-69 / GM X-Body 1968-74

Provides exceptional clarity and no distortion

Cuts spring seat to 1

550" OD valve springs

F.A.S.T Replacement optical Trigger for XR700 10252S 6 Lug) 95-99 Tahoe/Yukon (2&4DR)Eliminates Points Bounce Faster Start Up Crisper Throttle Response 6 to 18 Volts, reverse polarity protected, positive or negative ground Converts points type distributors to electronic ignition Increased timing accuracy All new status LED light for easy diagnostics Fully potted for protection from dirt, moisture and vibration Optical trigger for precise ignition timing More powerful signal than points type ignition For 1975 and earlier vehicles 50