Speedmaster®

Chevy SBC 350 Hydraulic Roller Camshaft 236 Int. 242 Exh. Duration

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MPN PCE249.1021 UPC840136521044

Product Information

Overview

Speedmaster camshafts are built to take advantage of the latest cam technology, to provide maximum performance. Whether your use is off-roading, towing, or street performance, there is a Speedmaster cam available for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.

Specs

Brand:Speedmaster
Part Number:PCE249.1021
Part Type:Camshaft
Cam Style:Hydraulic roller tappet
Basic Operating RPM Range:2,500-6,000
Intake Duration at 050 inch Lift:236
Exhaust Duration at 050 inch Lift:242
Duration at 050 inch Lift:236 int./242 exh.
Advertised Intake Duration:288
Advertised Exhaust Duration:294
Advertised Duration:288 int./294 exh.
Intake Valve Lift with Factory
Rocker Arm Ratio:		0.540 in.
Exhaust Valve Lift with Factory
Rocker Arm Ratio:		0.520 in.
Valve Lift with Factory Rocker Arm Ratio:0.540 int./0.520 exh.
Lobe Separation (degrees):110
Computer-Controlled Compatible:No
Valve Springs Required:No
Quantity:Sold individually.
Notes:Retro Fit. Designed for early non-roller blocks. Rough Idle
Recommended Application:Street/ Strip, 9:1 Compression, Intake, Headers, 2800 Stall, 3.73 Gears. Rough Idle

Attachments

CamCard

Warranty Information

12-Month Limited Worldwide Warranty

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Installation Guide

Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.

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This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.