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Splitfire Super Direct Ignition System was developed to improve power of ignition systems adopted in performance engines
Some Ford Ecoboost 1
WRX 2014-on - WRX STi Sedan
Our kit provides a superior level of accuracy
KVS262-BT | L15B7 Spring Kit PX4 Splitfire Super Direct Ignition SystemHonda L15B7. Racing valve springs with Titanium retainers, spring seats and stem seals. 70lb on seat at 35. 6mm installed height. 140lbs at 11. 0mm valve lift. Coil bind at 23mm. 11. 6mm max lift (1mm safety). Can run to 8500rpm with Kelford's 262 range of performance cams. Lightweight titanium retainer is 30% less mass than the OEM part. This kit includes lightweight higher rate racing springs to allow the valvetrain to achieve a higher rpm limit.
US$ 100.00
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US$ 162.50
