Heidts 4" Rack Ext. Kit for Power Rack R01P003XXXXL Does not fit vehicles equipped

Does not fit vehicles equipped with a Hydrocarbon Trap device

1979-1984 GMC K1500

45" Wide x 41" Long

You can expect a race rumble tone with improved acceleration and increased horsepower gains

1973-1976 Nissan 610

Heidts 4" Rack Ext. Kit for Power Rack R01P003XXXXL Does not fit vehicles equippedProduct Description: Rack End Extension 4 in Long 14 mm x 1. 50 Thread Steel Natural Power Rack and Pinion Heidts Automotive Group provides the best suspension and related chassis component solutions to create a superior buyer experience for the professional and hobbyist car builder or installer. The best suspension products are derived from field tested component creation, intelligently engineered parts, and absolutely the best quality American made