Pioneer Valve Spring Chev SB LT1- High Performance #RV943X

Pioneer Small Block Chevy 1.260" High Perf "Z-28" Valve Spring Each

Chevy Small Block And Others Z-28 Performance Valve Springs Fits Many Applications Including Small Block Chevrolet Engines 

Specifications :

Free Length : 2.100"

Outside Diameter : 1.260"

Inside Diameter : .876"

Wire Size : .192"

Closed Pressure : 110# @ 1.700"

Open Pressure : 285# @ 1.210"

Coils : 6.5 RH Turn

Solid Height : 1.160"

Single Spring With Damper

Good For Up To .500" Lift