LS1 Valve Springs (733305-16)

Valve springs for LS1 engines. Polished wire dual springs with no damper. Maximum lift .660". Installed pressure: 155# at 1.810". Open pressure: 405# at 1.150". Coil bind at 1.100". Uses steel (PN 733307-16) or titanium (PN 733308-16) retainers and 733310-16 spring seats. Sold in sets of 16.