Manley Pro Stock / Fuel / Alcohol NexTek Series Drag Race Valve Springs

221450-16

Today, Manley Performance continues to re-define itself in a high performance aftermarket industry that is constantly evolving. We've developed new products for growing markets such as sport compact, Ford modular and Chevy LS; as well as maintained our leadership role with the traditional V-8 engine business.

Features:

• Drag Race Valve Springs
• Unequalled performance
• All springs are triple except 221424, 221425 & 221454 which are double w/o damper
• Better valve train stability and component life
• Ideally suited for Sportsman Drag Racing application

Specifications:

• Polished PN: 221450P-16
• Description: Sportsman and Bracket Classes
• Maximum Valve Lift: 1.000
• O.D.: 1.677
• I.D.: .632
• Installed / Open Pressure: 370 @ 2.200 | 1140 @ 1.200
• Rate ( lbs. / in.): 770
• Coil Bind: 1.142
• Weight (grams): 193
• Component Code: B