Raptor 660 Heads - Cams - Valves
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Raptor Lightweight Valve Spring Kit
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116-1682_IMG
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Lightweight racing vavle spring kit

Raptor 660 Stage 1 Hot Cam
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116-1675_IMG
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Stage 1: single-cam motor. Excellent midrange and top-end power increase. Uses stock auto-decompression mechanism. Uses stock valve springs.

Raptor 660 Stage 2 Hot Cam
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raptor 660 hotcam
Stage 2: single-cam motor. More top-end than Stage 1. Requires heavy duty valve springs. Uses stock auto-decompression mechanism.

Raptor 660 Stage 3 Hot Cam
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raptor 660 hotcam
Stage 3: single-cam motor. Specifically designed for Hot Rods big bore/stroker kit. Not for stock displacement. Requires heavy duty valve springs. Uses stock auto-decompression mechanism.

Raptor 660 Heavy Duty Valve Spring Kit
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rap660 hd spring kit

This kit is a must when installing a high performance camshaft. We also suggest to upgrade the rocker-arms to hard-finished ones. Call for details.