Ford Small Block 88 - 95 Non H.O. Non Roller, Improves Low-End and Mid-Range TORQUE and HP in FUEL INJECTED (SFI) TRUCK (NON-ROLLER TAPPET) applications. Fine for AUTO or MANUAL TRANS. CALIFORNIA LEGAL 91-93 FEDERALLY CERTIFIED TRUCKS WITH MFM5.8T5HZC0, NFM5.8T5HZC1, OR PFM5.8T5HZD4 ENGINE FAMILIES. (50 STATE LEGAL, C.A.R.B. E.O. D-225-24) BASIC RPM 1000-4000.

PowerMax emissions legal comshafts produce amazing increases in torque, horsepower, and throttle response while extending the rpm powerband of computer controlled performance passenger cars, 2x4 and 4x4 light trucks. PowerMax emissions legal comshafts also permit full function of stock engine control computers!

Valve Setting: Intake .000 Exhaust .000 HOT

Lift: Intake @Cam 260 @Valve 416 All Lifts are based
on zero lash and theoretical rocker arm ratios.

Exhaust @ Cam 270 @Valve 432

Rocker Arm Ratio 1.6

Spring Requirements:

Part Number 96803

Loads Closed 107 LBS @ 1.700 or 1 45/64

Open 234 LBS @ 1.300

Recommended RPM range with matching components

Minimum RPM 800

Maximum RPM 4200

Valve Float 4800

Cam Timing: TAPPET @.050

Lift: Opens Closes Max Lift Duration

Intake (9) ATDC 19 ABDC 104 190 °

Exhaust 33 BBDC (15) BTDC 114 198 °