500" Lift Z28 Valve Springs Set for Chevrolet SBC 400 350 327 307 305 283 267

Introductions:

Valve Spring Specifications:

Spring Part Number: RV943X VS-739R 212-1138

Outside Diameter: 1.260"

Inside Diameter: 0.785"

Closed: 114 lbs. @ 1.710"

Open: 318 lbs. @1.210"

Coil Bind @: 1.160"

Spring Type: Single with damper

Fits Following Models:

Type:Single W/ Damper Valve

Material: Chrome Silicon

Spring Diameter: 1.250"

Installed Height: 110# @ 1.700"

Open Load: 285# @ 1.210"

Max Lift: .500"

OEM Part Number:

RV943X

VS-739R

212-1138

VK55808

Fitment:

.500" Lift Z28 Valve Springs Set for Chevrolet SBC 400 350 327 307 305 283 267

Package Included:

16*Valve Springs