7.3 Powerstroke Products Heavy Duty Valve Spring Kit category_80-86-bullnose-interior 5 degree bushing is required

5 degree bushing is required

a twin pump setup is required

Tuning Options

leading to slow starts

PREMIUM SILICONE COMPONENTS: The air filter

7.3 Powerstroke Products Heavy Duty Valve Spring Kit category_80-86-bullnose-interior 5 degree bushing is requiredPP HDVS7. 3 Heavy Duty Valve Spring & Retainer Kit 7. 3 Powerstroke Looking to take your 7. 3 Powerstroke to the next level? The PP HDVS7. 3 Heavy Duty Valve Spring & Retainer Kit from Powerstroke Products is engineered for maximum performance and reliability. This complete kit is built to handle high RPMs and boost levels, keeping your engine running strong under extreme conditions. Why Upgrade: Heavy Duty Springs: 165 lb springs designed to handle