Kiggly Valve Spring Kit Beehive for 3000GT (6G72-SS)

Kiggly Racing

$549.00 
KIG-6G72-SS

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The Kiggly Racing Beehive Spring set for the 6G72 twin turbo Stealth and 3000GT includes a full set of 24 PAC Racing Springs, titanium retainers and OEM seats. Proven on the track with 6-second passes and proven on the street with daily drivers.

Vehicle Fitment:
1991-1999 3000GT VR-4
1991-1996 Stealth R/T
• Fits 6G72 engines using the OEM spring seats
• Compatible with all popular cam profiles

Kit Includes:
(24) Titanium Retainers
(24) PAC Racing Springs
(24) OEM Seats

Features:
• 100% Made in the USA
• Seat pressure = 93lbs at 1.455"
• Rate = 325lb/in
• Max recommended lift = 0.500"
• Min recommended spring height at full lift = 0.900“

Full Description:
This spring kit is based on Kiggly's thoroughly proven 4g63 high pressure beehive springs powering vehicles from 6-second drag cars to high-mileage everyday drivers. Introduced in 2006, these were the first beehive valve springs available to the 4g63 platform. They are the best spring set you can use when targeting boost levels up to about 40psi and 11,000rpm.

Featuring PAC ovate wire "beehive" springs, designed with a stress-optimized profile that minimizes spring mass and maximizes natural frequency. This means better stability at high rpm usage. The beehive design also features a variable natural frequency, resulting in better stability during surge points and self-damping. Combining these advanced design features with aerospace quality production and shotpeening results in a high performing, reliable combination.

The spring set includes Kiggly's proprietary titanium retainers and use the OEM steel seats to achieve an appropriate seat pressure that will prevent excessive wear in long-term street applications.

The precision CNC machined grade 5 titanium retainers are optimized for mass and stress levels using finite element analysis and packaged for maximum clearance to the valve stem seals.

Any OEM replacement or smaller diameter valve seals can be used and clearance to the retainer is about 14mm. In higher boost drag racing applications these springs can be shimmed for increased seat pressure.

We recommend targeting seat pressure at about 1.7x your absolute manifold pressure (boost + 14.7psi).
Part Number Item ID
1660 6B72-SS (6G72-SS)
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Cancer and Reproductive Harm
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