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Vehicle Info NeededPAC RACING SPRINGSPART NUMBER: 278-R436-1
PAC-R436-1 400 Series Ti-64 Titanium Dual Valve Spring Retainers
$1918
Ships on 09/16/2026
Lowest Price GuaranteeDual 400 Series
- Valve Spring Retainers
- 1.450 in. Outside Diameter x 1.125 in. (2nd Step 0.800) Step Diameter
- Ti-64 Titanium
- Lock Angle: Standard 10 Degree
- 1/pkg
Maintain High Strength with Lightweight Designs
PAC Valve Spring Retainers are a must have when upgrading your valvetrain. Valve springs with larger diameters and higher spring pressures will require new retainers.
Beehive 300 Series Valve Spring Retainers are designed for smaller beehive springs and made from heat treated 4140 chrome moly steel with black oxide finish. PAC-Tuff 400 Series Valve Spring Retainers are constructed from 6AL4V Titanium alloy and they are completely sonic tested to aerospace standards prior to CNC-machining. Robust PAC-Tuff retainers are designed for standard to high durability.Part TypeValve Spring Retainer
Product LinePAC Valve Spring Locks and Retainers
BrandPAC RACING SPRINGS
Package Height0.5
Package Width1.4
Package Length1.4
Weight0.04 PG
Part CategoryPerformance Parts
QuantitySold individually
Part FitmentSemi Universal
Retainer MaterialTitanium
Vendor Part NumberPAC-R436-1
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
