Ventilfjädrar GM LT4, ZZ4 1996

Ventilfjädrar GM LT4, ZZ4 1996.

These springs were originally used on the 1996 Corvette LT4 engine. Also used on all 1999- Current ZZ4,Fast Burn 385 engines, Fast burn heads, Lt4 heads, and are included with the LT4 hot cam kits.Outer diameter of 1.34" , 101 Lbs pressure @ installed height of 1.78", solid height 1.22" Spring pressure with valve open is 332 lbs. made of high quality silicon ovoid wire. Color coded green.

• GM factory replacement 
• Chevy 604 engines
• 1.32" O.D.
• 101 lbs @ 1.780" Seat Pressure
• 332 lbs/in Spring Rate
• 1.220" Coil Bind.

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