FixVault

Engine Valves & Valve Springs Specifications

WARNING: This page is about a different car, the 2001 Acura Integra. However, it is still accessible from the selected car via links, so may be relevant.
VALVES & VALVE SPRINGS

Application Specification
Intake Valves
Face Angle 45°
Head Diameter 1.217-1.224" (30.90-31.10 mm)
Stem Diameter
Standard 0.2591-0.2594" (6.58-6.59 mm)
Service Limit 0.258" (6.55 mm)
Minimum Margin 0.045" (1.14 mm)
Exhaust Valves
Face Angle 45°
Head Diameter 1.098-1.106" (27.90-28.10 mm)
Stem Diameter
Standard 0.2579-0.2583" (6.55-6.56 mm)
Service Limit 0.257" (6.52 mm)
Minimum Margin 0.057" (1.45 mm)
Valve Springs Free Length
Intake
NH (1) 1.625" (41.27 mm)
CH (2) 1.625" (41.27 mm)
Exhaust 1.745" (44.32 mm)
(1) NIHON HATSUJO manufactured valve spring.
(2) CHUO HATSUJO manufactured valve spring.