STUD GIRDLES
Ford Small Block 289-351W Part No. Description
AFR6207
Size
AFR
AFR6207
Standard Spacing (Nuts Sold Separately)
—
Comp Cams
COM4013 COM4014
Standard Spacing Standard Spacing
3/8"
7/16"
PRW Industries PQX1530200
Solid Bar, Standard Spacing Solid Bar, Standard Spacing
3/8"
PQX1530201
7/16"
Trick Flow
TRFTFS-51400701 TRFTFS-51700701
Twisted Wedge Head
7/16" 7/16"
Twisted Wedge High-Port Head
CAMSHAFTS AND KITS
Ford Small Block 1963-95 289-302
RPM Range
Adv. Duration
Duration @ .050"
Valve Lift
Valve Lash
Lobe Center
Part No.
Description
Hydraulic Flat Tappet Camshafts Comp Cams High Energy COM31-215-2 Cam Only
800-4800 1200-5200 1000-5200 1300-5600 1600-5800 1800-6000 2300-6500
252°/252° 260°/260° 256°/268° 262°/270° 268°/280° 274°/286° 284°/296°
206°/206° 212°/212° 212°/218°
.433"/.433" .447"/.447" .477"/.484"
— 110° — 110° — 110° — 110° — 110° — 110° — 110°
COM31-216-2 COM31-234-3 COM31-238-3 COM31-242-3 COM31-246-3 COM31-250-4
Cam Only Cam Only Cam Only Cam Only Cam Only Cam Only
218°/224° .493"/.500" 224°/230° .509"/.512" 230°/236° .520"/.523" 240°/246° .541"/.544"
Comp Cams Marine COM31-218-2
Cam Only
1500-5200
268°/268°
218°/218°
.456"/.456"
— 110°
Comp Cams Xtreme Energy COM31-255-5
Cam Only
1000-5200
250°/260°
206°/212°
.462"/.474"
-
114°
Comp Cams Marine COM31-226-3 Comp Cams Magnum COM31-414-3 Comp Cams Thumpr COM31-601-5
Cam Only
2000-6000
280°/280°
230°/230°
.512"/.512"
— 110°
Cam Only
1800-5800
270°/270°
224°/224°
.500"/.500"
— 110°
Cam Only
2000-5800
279°/296°
227°/241°
.491"/.476"
— 107°
Comp Cams Nostalgia Plus COM31-670-4
Cam Only
2200-6400
266°/273°
219°/226°
.480"/.475"
— 112°
Crane Cams Powermax CRN363941
Cam Only
2000-5000
272°/284°
216°/228°
.484"/.512"
— 112°
Hydraulic Roller Camshafts Comp Cams Magnum COM31-412-8
Cam Only Cam Only Cam Only
1200-4500 2000-5500 2500-6000
260°/260° 281°/281° 284°/284°
206°/206° 220°/220° 224°/224°
.480"/.480" .512"/.512" .533"/.533"
— 110° — 110° — 110°
COM31-432-8 COM31-442-8
Edelbrock Rollin Thunder EDE2221
Cam Only
1500-6500
298°/302°
227°/234°
.520"/.520"
— 112°
Mechanical Flat Tappet Camshafts Comp Cams Magnum COM31-333-4 Cam Only
1800-5800 2500-6500 2000-6000
270°/270° 294°/294° 282°/282°
224°/224° 248°/248° 236°/236°
.499"/.499" .022"/.022"
110°
COM31-335-4 COM31-334-4
Cam Only Cam Only
.356"/.356"
— 110°
.528"/.528" .022"/.022"
110°
353 2021-22 ENGINE BUILDER CATALOG
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