Overview Reviews Product Description 534-212 Holley EFI Bracket Kit Required when upgrading to (EV1/Bosch style) performance injectors on LS2, LS3, or L99 applications (not required to upgrade LS1 and LS6 applications). Product Videos Custom Field Product Reviews Write a Review Write a Review × 534-212 Holley EFI Bracket Kit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *