Manley 1.311 Nextek Dual Valve Springs 221431-16

Manley 1.311 Nextek Dual Valve Springs 221431-16

Upgrade your build with the Manley 1.311 Nextek Dual Valve Springs 221431-16, selected for dependable fit, performance-focused construction, and clean installation on compatible automotive applications.

Product Details

• Product type: Valve Springs
• Part number: 221431-16
• Fitment: Universal/custom application - verify measurements and requirements before ordering
• Approx. shipping weight: 3.35 lbs
• Complete Kit

Why Buy From OzKonic Kustomz

We focus on quality automotive parts, clear fitment details, and ready-to-install product information so you can order with confidence.

Emissions note: This item may affect emissions-related systems or is intended for performance/race applications. Verify federal, state, and local regulations before installation.

Fitment reminder: Confirm part number, dimensions, and application details before purchase. Professional installation is recommended when required.

Valve Spring - NexTek - Conical - Single Spring - 353 lb/in Spring Rate - 1.100 in Coil Bind - 1.076 in / 1.311 in OD - Polished - Set of 16 1.311 NexTek Dual Valve Springs