Hotcams

 Stage 1: single-cam motor. Excellent midrange and top-end power increase. Uses stock auto-decompression mechanism. Uses stock valve springs.

 Stage 1: Dual cam engine. Intake and exhaust cams sold separately. Increases bottom and midrange power for improved snap. Comes with adjustable sprocket. Uses stock valve springs.

 Stage 1: single-cam motor. Excellent midrange and top-end increase. Uses stock valve springs and rockers.

Stage 1: single-cam motor.Stage 1 has improved power at all RPMs over OEM. Performs well with stock air box lid and exhaust.Uses stock valve springs and rockers. Uses stock auto-decompression...

 Stage 1: Dual cam engine. Intake and exhaust cams sold separately. Increases bottom and midrange power for improved snap. Cam includes auto-decompressor mechanism. Uses stock valve springs.

Stage 1: Dual cam engine.Intake and exhaust cams sold separately.No bottom-end loss with strong mid-range to top-end gains.Cam uses stock auto-decompression mechanism.Uses stock valve springs.

Stage 3: single-cam motorSpecifically designed for Hot Rods big bore/stroker kitNot for stock displacementRequires Hot Cams valve spring kit part number SKYFM660S2Uses stock auto-decompression...

Dual-cam motor: intake and exhaust cams sold separately. Excellent top-end power increase and good over rev. Exhaust cam includes auto-decompression mechanism. Uses stock valve springs.

Stage 2: Dual cam engine. Intake and exhaust cams sold separately. Excellent top-end power increase and good over rev. Cam includes auto-decompression mechanism. Uses stock valve springs.

 Stage 2: single-cam motor. Excellent top-end and great over rev. Uses stock auto-decompression mechanism. Uses stock valve springs and rockers.

Stage 2 intake: Dual cam motorAdded top end over stage 1Uses stock valve springs

 Stage 3 exhaust: Dual cam motor. Excellent top-end increase. Uses stock valve springs. Includes auto decompression mechanism.