Crower 68547-1 Features:

Crower drag-race triple valve spring, part number 68547-1, sold individually for high-performance valvetrain applications. 1.645 in. OD, 0.635 in. ID, 2.520 in. free length, with wire diameters of 0.215, 0.162, and 0.119 in. Super Clean Silicone construction with Red/Purple color code and no damper for drag-race spring setups. Spring loads rated at 255 lb at 2.150 in., 287 lb at 2.100 in., 321 lb at 2.050 in., and 351 lb at 2.000 in.

Valve Springs Drag Race T Triple 1.645 Od .635 Features:

• Triple spring design, 1.645 in. OD, .635 in. ID, drag race valvetrain control for high-RPM applications
• Super Clean Silicone construction, red/purple coded, no damper, built for consistent high-load performance
• 2.520 in. free length, wire diameters .215, .162, .119, tuned for aggressive camshaft spring demands
• Installed loads from 255 lb at 2.150 in. to 351 lb at 2.000 in., supporting precise installed-height tuning
• Up to 947 lb max compression pressure, each spring packaging, performance valvetrain replacement or upgrade