Summit Racing™ 303 Plus Camshafts SUM-8900

Overview

Brand:
Summit Racing
Manufacturer’s Part Number:
SUM-8900
Part Type:
Camshafts
Product Line:
Summit Racing™ 303 Plus Camshafts
Summit Racing Part Number:
SUM-8900
UPC:
190861242098
Cam Style:
Hydraulic roller tappet
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
The Summit 5.0 Liter E303 Plus cam is designed to take advantage of modern Beehive spring packages with more lift and increased rpm potential. It tunes similarly to the original E303 and has increased exhaust duration.
Basic Operating RPM Range:
2,500-6,000
Intake Duration at 050 inch Lift:
220
Exhaust Duration at 050 inch Lift:
231
Duration at 050 inch Lift:
220 int./231 exh.
Advertised Intake Duration:
268
Advertised Exhaust Duration:
278
Advertised Duration:
268 int./278 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.550 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.540 in.
Valve Lift with Factory Rocker Arm Ratio:
0.550 int/0.540 exh.
Lobe Separation (degrees):
113
Camshaft Gear Attachment:
1-bolt
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
This cam is designed for use with 1986-96 Ford Windsor Roller Blocks. Summit® 303 Plus cams are designed for engines swapped into pre-pollution controlled vehicles. They are not for use in registered emissions-controlled vehicles operated on public highways and roads. Computer tuning required.

Summit Racing™ 303 Plus Camshafts

Are you looking for a great made-in-the-USA cam for your 5.0L H.O. engine? Summit Racing’s™ affordable new line of 303 Plus camshafts are just what you need. The E303 Plus, B303 Plus, and F303 Plus are designed to tune easily and have the idle you’re looking for. We’ve applied the latest lobe technology, and the valve events have been tweaked for modern intake manifolds and cylinder heads.

Starting with American bearing steel billets, the cams are precision-machined on a modern CNC grinder with CBN diamond wheels for unmatched quality. The Summit Racing™ 303 Plus camshafts are available in multiple RPM operating ranges, durations, and other performance options.

Warranty