Steel Spring Beehive Valvespring Kit for 4G63
- We offer this set as a cost effect, drop-in replacement for 4G63 applications looking to spin up to 10,000rpm and run up to 40psi boost.
- Utilizes the same proven PAC Racing ovate beehive springs as our High Pressure kit
- Features our FEA-optimized and heat treated steel retainers.
- Designed for use with the OEM spring seats
- Fits all 4G63 engines including DSM and EVO
- Compatible with all popular cam profiles
- Kit Includes: Chromoly Steel Retainers and PAC Racing Springs
- 100% Made in the USA
- Seat pressure = 85lbs at 1.475"
- Rate = 325lb/in
- Max recommended lift = 0.500"
- Min recommended spring height at full lift = 0.900“
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