ZYN3493 Features: * Adapter set for GM * Everything you need to pull harmonic balancers having three tapped holes * Shoulder bolts are designed to prevent them from being installed too deeply protecting the crank sensor and/or interrupter rings from damage * Spacer adapter gives the puller"s forcing screw something to push against Includes: * Includes no. 518 flange-type puller and no. 7911 adapter set Specifications: * Kit works on 1990-2002 3300 and 3800 V6 engines Dimensions: * Dimensions: 6.6"" H x 1.3"" W x 4.6"" D