
Original: $605.55
-70%$605.55
$181.66The Story
Premium quality spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life.
Valve springs designed with a high spring frequency for superior spring surge control at high RPM and boast a +30% higher seat pressure than the OEM spring.
This beehive valve spring kit is specifically designed for high boost and high RPM applications.
IN: 36.2mm installed height. 100lbs on seat. 210lbs at 11.5mm open. 12mm max lift.
EX: 35.1mm installed height. 110lbs on seat. 220lbs at 11mm open. 11mm max lift.
Install supplied spring seat on both intake and exhaust.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Premium quality spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life.
Valve springs designed with a high spring frequency for superior spring surge control at high RPM and boast a +30% higher seat pressure than the OEM spring.
This beehive valve spring kit is specifically designed for high boost and high RPM applications.
IN: 36.2mm installed height. 100lbs on seat. 210lbs at 11.5mm open. 12mm max lift.
EX: 35.1mm installed height. 110lbs on seat. 220lbs at 11mm open. 11mm max lift.
Install supplied spring seat on both intake and exhaust.




















