Eg33 6cyl. engine.

Sppreg01. 450 usd.

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Special alloy for race

Recommended:Turbo and N/A 

Double springs.

29.5 mm 98 Lbs

Max lift:13mm

Max rpm:11.000

Retainer:1-Zirkonium alloy r01Su

Retainer:2-Titanium aluminum r02Su

For order:

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Additional Information:The purpose of producing these springs is to prevent valve fluctuations at high rpm's!! As a result of intensive R & D work, we created a wider arc and when we check the valve at 10,000 rpm, the valve floating rate is still 0%.As the PPR family, we are proud to present this product to you.

Sppreg02. 450 usd.

​

Special alloy for race

Recommended:Turbo and N/A 

Double springs.

29.5 mm 90 Lbs

Max lift:13mm

Max rpm:9.500

Retainer:1-Zirkonium alloy r01Su

Retainer:2-Titanium aluminum r02Su

For order:

​

Additional Information:The purpose of producing these springs is to prevent valve fluctuations at high rpm's!! As a result of intensive R & D work, we created a wider arc and when we check the valve at 10,000 rpm, the valve floating rate is still 0%.As the PPR family, we are proud to present this product to you.