Rocket Motorsports Competition K20-R1  Valve Springs for 
Honda K20A2/K24 Engines
(compare to Supertech)

CONDITION
New in sealed bag

FEATURES
- Appropriate seat pressure for endurance usage
- Japanese Chrome-Silicon wire
- Wound and finished in USA
- Tight dimensional tolerances
- Shoot-peened for higher fatigue resistance
- Designed for maximum cycle life using proprietary spring design software

SPECIFICATIONS
- Heavy duty dual spring
- 87lbs on the seat at 1.595" install height
- 260lbs at 13.5mm lift
- Recommended maximum lift: 14.5mm lift

ENGINES
- Honda K20A2/K24

RECOMMENDED APPLICATION
For all out competition on the track, drag strip and street
- Modified naturally aspirated engines with performance camshafts
- Rocket Motorsports custom competition camshafts to 11,000 rpms
- Other brand camshafts to 9,000 - 10,000 rpms
- Mid boost engines (up to 20lbs of boost)
- Use stock retainer, RM Ti retainer, or K20A2 dual spring retainer (14765-prb-a00)