Racing_speed_autoparts LS Dual Valve Spring Compressor Tool 4.8 5.3 5.7 6.0L LS1 LS2 LS3 LS6 For Chevy. Universal for Chevy LS Engine, cathedral port LS cylinder heads. (Like LS1 LS2 LS3 LS6 LQ4 LQ9 LY5 LY6 LM7 L99 L76 L92, LSX 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L LS Engines.).