ENGINE PRO PERFORMANCE SINGLE VALVE SPRING SET [CHEV V8 307-327-350 SMALL BLOCK MOTOR]

ENGINE PRO PERFORMANCE SINGLE VALVE SPRING SET
404lb/in VALVE SPRING RATE
CHEV V8 307-327-350 SMALL BLOCK MOTOR

01/1968-1969 HOLDEN [HK-HT SERIES]
08/1968-1969 HOLDEN [HK MONARO GTS 327]
05/1969-1974 HOLDEN [HT-HG-HQ MONARO GTS 350]
07/1971-1974 HOLDEN [HQ MONARO LS & STATESMAN]

Every Engine Pro performance valve spring goes through a multiple shotpeening process for maximum durability and stress relief. The chrome silicon alloy valves spring goes through a "Heat Set" process and special heat treatment are used to extend spring life and minimise load loss.

SPECIFICATIONS:
Outside Diameter: 1.253"
Inside Diameter: 0.870"
Closed Height: 1.700"
Closed Load: 124lb/in
Open Height: 1.210"
Open Load: 322lb/in
Coil Bind: 1.160"
Max Lift: 0.490"
Spring Rate: 404lb/in
Spring Type: SINGLE VALVE SPRING WITH DAMPER
Material: CHROME SILICON ALLOY
Set Quantity: 16

Since 1989, American Based Engine Pro has been manufacturing performance engine parts as is now one of the leading distrubutors to the performance engine building industry.

MADE IN USA