ApplicationforLS LSX Engine 4.8 5.3 5.7 6.0 6.2SpecificationsQuanity: 1 left bracket + 1 right bracket + 8 M10 bolts Warranty: one year warranty for any manufacturing defect Condition: NewNoticeUsed for older compatible for vehicles with clamshell mounts to a new LS engine. Eliminates the need for adaptor brackets, lowers the center of gravity, and achieves 3 degrees of motor angle. 73-98 compatible for chevy trucks and other cars that use the clam shell