PROMAXX Performance PMX8401 GM Ls Series Gold Series Valve Spring & Retainer Kit

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PROMAXX Performance

PMX8401
$671.70 AUD
$671.70 AUD
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PROMAXX Performance PMX8401 GM Ls Series Gold Series Valve Spring & Retainer Kit

Item Description

Looking for performance? PROMAXX Performance Gold Series valve spring and retainer kits are probably one of the most widely used and trusted "drop-in" dual spring kits. They will work with both stock and aftermarket rocker arms and there is no cutting or machining needed of the stock spring pocket. PROMAXX Performance Gold Series consists of Gold dual springs, titanium retainers, machined locks, machined spring bases, and 16 Viton rubber seals. Go for the gold Gold Series valve spring and retainer kits from PROMAXX Performance.



Application: GM LS Series V8.

Number of Springs Per Valve: Dual
Valve Spring Style: Standard
Installed Height (in): 1.800 in.
Seat Pressure at Installed Height (lbs): 135 lbs.
Open Height (in): 1.150 in.
Open Pressure (lbs): 375 lbs.
Valve Stem Diameter (in): 0.315 in.
Valve Stem Diameter (mm): 8.00mm
Retainers Included: Yes
Retainer Material: Titanium
Locks Included: Yes
Lock Style: 7 degree
Lock Groove Quantity: 1-groove
Lock Material: Steel
Outside Diameter of Outer Spring (in): 1.290 in.
Damper Spring Included: No
Valve Springs Coated: Yes
Valve Stem Seals Included: Yes
Quantity: Sold as a kit.
Notes: Kit includes 32 locks, 16 retainers, 16 valve seals, and 16 seats.

Manufacturer Information

  • Manufacturer: PROMAXX Performance
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