Davis Unified Ignition Dyna-Mod Module - Vortec H762001XS 125 in Tall

125 in Tall

Foam Padding

1957-1974 Chevrolet Bel Air

which accepts our part #81-016 or #81-116 pressure cap or any 16 psi radiator style cap

Davis Unified Ignition Dyna-Mod Module - Vortec H762001XS 125 in TallHigh Performance Vortec Dyna Module 1996 2003 Chevrolet GMC Trucks with 5. 0 5. 7 7. 4 Liter Vortec V8 1996 2007 Chevrolet GMC Trucks with 4. 3 Liter Vortec V6 Pep up your Vortec with the Dyna Module. The Vortec Dyna Mod has more electronic dwell in it over a stock module to provide more coil saturation time. This extra dwell time allows the coil to produce a more intense spark. Improves throttle response and low end power. Mounts in the original