Overview Reviews Product Description 553-108 Holley EFI Holley LCD Touch Screen The touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact 3.5" LCD display Product Videos Custom Field Product Reviews Write a Review Write a Review × 553-108 Holley EFI Holley LCD Touch Screen Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *