The KYB Gas-a-Just Rear Suspension Shock Absorber, part number KG54312, is engineered to transform your Ford F-150's ride quality. This high pressure monotube shock features a dual-chamber system designed to adapt instantly to driving conditions, providing a seamless blend of comfort during routine drives and responsive performance when needed. Unlike traditional twin-tube designs, the Gas-a-Just never fades due to aeration, ensuring dependable, fade-free operation. Precision-built with components and valving specifically for Ford F-150s, this shock absorber adds up to 25% more damping performance, making it an invaluable upgrade for vehicles equipped with larger wheels and tires, or for those engaged in towing and heavy-duty work. Its ultra-smooth triple chrome plated piston rod minimizes seal wear, promising a longer service life and improved steering response. Ensure the safety and longevity of your vehicle’s electronic systems with the Gas-a-Just, which ensures suspension, brakes, and tires operate as intended by the manufacturer.

• Adds 25% more damping performance over OE shocks
• Designed for Ford F-150 for superior control
• Prevents shock fade with high pressure monotube design
• Quick response improves steering for safer drive
• Chrome plated piston for reduced wear and longer durability

B-stop:	N
Compressed Length:	14.57
Dust Cover Included:	Y
Extended Length:	23.78
Internal Rebound Spring:	N
Lower Mount Type:	E2(12x38)
R-stop:	Y
Stroke Length:	9.21
Upper Mount Type:	S1

• Monroe Shocks & Struts: 911132
• Gabriel: 77778
• Ford: F65Z18125BB
• Ford: 3L3Z18125AA
• Ford: 2L3Z18125FA

• 1997-2003 Ford F-150 | Position: Rear | Note: Monotube Performance Upgrade;(Exc. 7700 GVW Package)
• 2004 Ford F-150 Heritage | Position: Rear | Note: Recommended OEM Replacement
• 1999-2003 Ford F-150 | Position: Rear | Note: Monotube Performance Upgrade
• 2004 Ford F-150 Heritage | Position: Rear | Note: Monotube Performance Upgrade;(Exc. 7700 GVW Package)