Crower 68431-16 Features:

Crower 68431-16 single valve springs for GM 602 crate motors with 1.230 in. OD design. Single-spring configuration supports proper valvetrain control and reliable engine operation. Nominal dimensions include 0.890 in. ID with distributor-listed OD sizing up to 1.250 in. Rated at 97 lb seat pressure at 1.680 in. and 227 lb open pressure for performance use.

Valve Springs Single 602 1.230 In. Od Single Spring Features:

• Single valve spring set for GM 602 crate motors, designed to support proper camshaft matching and stable valvetrain operation in performance applications.
• 1.230 in. OD spring design, with 1.250 in. nominal OD and 0.890 in. ID referenced across distributor listings for fitment verification.
• 97 lb seat pressure at 1.680 in., helping maintain consistent valve control and reliable operation through the intended running range.
• 227 lb open pressure for controlled valvetrain motion, supporting replacement performance use where spring rate and load consistency matter.
• Crower part number 68431-16 replacement springs, single-style configuration for GM 602 applications with performance-focused service compatibility.