Engine Valves & Valve Springs Specifications

VALVES & VALVE SPRINGS

Application

Specification

Valves

Face Angle

45°

Head Diameter

Intake

1.50" (38.0 mm)

Exhaust

1.26" (32.0 mm)

Installed Height ⁽¹⁾

1.6L SOHC

1.518-1.594" (38.55-40.49 mm)

Minimum Margin

1.6L SOHC

Intake

.020" (.50 mm)

Exhaust

.039" (1.00 mm)

Minimum Refinish Length

1.6L SOHC

Intake

4.066" (103.27 mm)

Exhaust

4.022" (102.17 mm)

Stem Diameter

Intake

.2744-.2750 (6.970-6.985)

Exhaust

.2742-.2748 (6.965-6.980)

Valve Springs

Free Length

1.6L SOHC

Standard

1.720 (43.70)

Minimum Limit ⁽²⁾

1.398 (35.50)

Maximum Out-Of-Square

.060 (1.52)

⁽¹⁾	Valve height is measured from top of installed valve to spring seat. See VALVE INSTALLED HEIGHTS . See Figure.

⁽²⁾	Measure with 42 lbs. (19.1 kg) of pressure applied to spring.