Manley LS1 R/M 1.590in Exhaust Valves 11621-8

Manley LS1 R/M 1.590in Exhaust Valves 11621-8

Upgrade your build with the Manley LS1 R/M 1.590in Exhaust Valves 11621-8, selected for dependable fit, performance-focused construction, and clean installation on compatible automotive applications.

Product Details

• Product type: Engine Valves
• Part number: 11621-8
• Fitment: Universal GM LS Engine
• Approx. shipping weight: 1.98 lbs
• Performance
• Durable Construction
• 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.

Exhaust Valve - Race Series - 1.590 in Head - 0.314 in Valve Stem - 4.923 in Long - Stainless - GM LS-Series - Set of 8 LS1 R/M 1.590in Exhaust Valves