LT4 SC Coolant Filler Adapter Tool LT4 SC Coolant Filler Adapter Tool Lets face it, the coolant filling system found on the LT4 supercharged Camaro ZL1 and CTS-V can be a real pain in the butt to fill. Over the years we've tried a number of different solutions but none of them did... MSRP: Was: Now: $19.99 Add to Cart
