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DriftsideRacing.com »
https://forums.nicoclub.com/driftsideracing-com-u103734.html
Sun Aug 31, 2008 1:29 pm
Hi,
am having much trouble finding springs for this engine head.
Does anyone know where they may be available??
Specs are as follows:
rb25-287497A engine number
Spring Diamention is 25mm diameter ( outta diameter )
Inside Spring diameter is 18mm
Total Spring lengh 54mm long ( Inlet )
Total Spring lengh ( exhaust ) 49mm
Install hight 49.5mm intake
exhaust 44.5mm
currently about 48pounds standard.... But need 60pounds... Springs
Thanks,
Dayne