Go Kart Camshaft for Honda...

307 Series High-Lift Race Camshaft – For Big Block Honda-Style OHV Engines (GX390, 11–15hp)

Designed for high-performance racing applications, this camshaft is suitable for:

Honda GX240, GX270, GX340, GX390 engines

420cc Predator engines

460cc Honda-style OHV engines

Most 9–15hp Honda-style overhead valve (OHV) motors

Compatibility Notes:

Not compatible with:
– LCT 414 engines
– Some 301cc Predator engines with large journal cranks

Specifications:

Series: 307

Valve lift: Approximately 0.307"

Duration: 260°

Target RPM: 7,500+

Designed for engines producing 30+ horsepower

Recommended for use on 1/4 mile or longer tracks

Requirements:

Dual valve springs (mandatory)

1.3 ratio rockers

High-compression fuel setup (12:1 or higher)

Suitable for race gas or methanol

Installation Note:
Engine block or crankshaft may require clearancing to prevent contact with camshaft lobes.

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