Allstar Performance - 14mm Shock Collar Shim Kit 1in 10pk The large D-Shaped ports in

The large D-Shaped ports in the collectors create a large surface area to help pull the exhaust pulses from the opposing connected cylinders

9 in Length - 350 lb/in Spring Rate - Front - Steel - Silver Powder Coat - Each

Seat and Cover - 73 Series Deluxe Containment - 15 in Wide - 15 Degree Layback - Black Airknit Polyester Cover Included - Aluminum - Natural - Kit

Schrader Valve - Aluminum - Natural - Tire Pressure Relief Valve - Pair

5 in ID - 12 in Length - 500 lb/in Spring Rate - Steel - Black Powder Coat - Each

Allstar Performance - 14mm Shock Collar Shim Kit 1in 10pk The large D-Shaped ports inShock Shim Collar Style 2 Piece 1 in Thick Plastic Black 14 mm Shocks Set of 10