

84350X980 Kit Buick 300-340-350 Dua Dual-spring Coolface Solid Lifter Kit
Crower 84350X980 Features:
Crower 84350X980 valvetrain kit for Buick 300, 340, and 350 V8 engines; direct-fit engineered component kit for solid camshaft applications. Includes premium CoolFace solid lifters with direct continuous oiling to the cam lobe and lifter face to reduce friction and help prevent premature wear. Performance-matched dual valve springs feature 1.400 in. OD, 1.045 in. outer spring ID, 0.770 in. inner spring ID, and a 382 lb/in spring rate. Complete heat-treated hardware package helps control valve float, supports optimum valvetrain performance, and pairs matched components for new camshaft installs.
Kit Buick 300-340-350 Dua Dual-spring Coolface Solid Lifter Kit Features:
- Direct-fit valvetrain kit for Buick 300, 340, 350 V8 engines with performance-matched dual springs and solid lifters for precise valve control
- CoolFace solid lifters provide direct continuous cam and lifter-face lubrication to reduce friction, limit wear, and support long valvetrain life
- Dual valve springs with 1.400 in. OD, 1.045 in. outer spring ID, and 0.770 in. inner spring ID for stable high-rpm operation
- 382 lb/in spring rate helps resist valve float, unlock available horsepower, and maintain consistent valvetrain performance under load
- Complete heat-treated kit with matched springs, retainers, and lifters; in most applications installs with no extra cylinder-head machining required