JH-7000: This street grind provides good torque and acceleration in the 2500-7000 RPM range without being temperamental. It will rev all the way to 7800. INTAKE: 34/74     EXHAUST: 78/30     DURATION: 288     LIFT: .360"

    Necessary mods: PAECO valve springs (an exhaust header and racing ignition will provide additional power, but are not mandatory).

JH-7800: For slaloms and wild street use, these cams provide tremendous acceleration and a healthy boost in top end. The best power range is 3500-7800 RPM, and they will rev to 8400. INTAKE: 44/76     EXHAUST: 80/40     DURATION: 300     LIFT: .370"

    Necessary mods: 10-11:1 compression, PAECO springs and retainers, racing ignition, exhaust headers, modified head.

JH-8600: For racing only, these cams provide enormous power in the 4500-8600 range and will rev to 10,000 with proper engine preparation. These are best suited to SCCA racecars. INTAKE: 52/84     EXHAUST: 88/48     DURATION: 316     LIFT: .415"

    Necessary mods: 12-14:1 compression, full PAECO valve train, fully prepared cylinder head, exhaust headers, racing ignition, increased carburetion, copper head gasket, chrome-moly or titanium con rods.

ALL LOTUS 2000 & JENSEN-HEALEY CAMS AND VALVE TRAIN:

All cam grinds: $210/cam exchange (add $250/cam if no exchange)

Inner valve springs: $4.00 ea     Aluminum retainers: $8.00 ea     Titanium retainers: $25.00 ea

Outer valve springs: $8.00 ea     Valve tappet cups: $24.00 ea     Valve lash shims: $12.00 each

NOTE: New shims will be necessary to achieve proper valve lash. You must install the new cams to determine the sizes of shims that you will need. We can then provide these for you in any thickness.

MZ-6600: This street grind provides increased torque for good acceleration and is not temperamental. The best power range is 2800-6600 RPM, but it will rev to 7200.  INTAKE: 32/68     EXHAUST: 72/28     DURATION: 280     LIFT: .492"

    Necessary mods: PAECO valve springs and retainers (an exhaust header, Primapower system, and/or Weber carbs will provide even more power, but are not mandatory).

MZ-7200: This grind gives strong mid-range acceleration and a nice boost in top end. The best power range is 2800-7200, and it will rev to 8000 RPM. Good for slaloms and heavy street use.  INTAKE: 36/72     EXHAUST: 74/34     DURATION: 288     LIFT: .520"

    Necessary mods: 10-11:1 compression, PAECO valve train, exhaust header, racing ignition, Webers (a modified cylinder head and Primapower system will provide more power but are optional). This is a good street & strip grind.

MZ-7600: This racing grind gives tremendous acceleration and a great improvement in top speed. Best power range is 3200-7600, and it will rev to 8000 RPM.  INTAKE: 47/75     EXHAUST: 77/45     DURATION: 302     LIFT: .525"

    Necessary mods: 11-12:1 compression, PAECO valve train, extractor exhaust header, modified cylinder head, racing ignition, increased carburetion, copper head gasket.   

MZ-8000: For all-out racing only, this cam provides fantastic power from 3800-8000 RPM and will rev to 8800. It should be used in well prepared engines only. INTAKE: 44/80 EXHAUST: 82/42 DURATION: 304 LIFT: .540"

    Necessary mods: 13-14:1 compression, PAECO valve train, racing ignition, extractor exhaust, fully prepared cylinder head, increased carburetion, copper head gasket, chrome-moly or titanium con rods.

ALL MAZDA CAMS AND VALVE TRAIN COMPONENTS:

All cam grinds: $230 exchange (add $120 if no exchange)

Inner valve springs: $4.00 ea     Aluminum retainers: $8.00 ea     Titanium retainers: $25.00 ea

Outer valve springs: $8.00 ea     Rocker arms: $48.00 ea