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SOLID ROLLER<br />
48<br />
SOLID ROLLER<br />
TK LIFT RULE ROLLERS<br />
These low lift designs are based on the TK Series rollers and are specifically designed for lift rule applications, such<br />
as Hooters Cup. Typically they will be used with 1.8:1 ratios.<br />
CAMSHAFT TYPE<br />
TK Lift Rule .347"<br />
Rated Duration @<br />
.020” Tappet Lift<br />
LOBE RATED DURATION IN LOBE TAPPET LIFT @ THEORETICAL VALVE LIFT<br />
NUMBER DURATION DEGREES LIFT TDC @ “0” LASH ROCKER ARM RATIO<br />
@ .050” @ .200” 106° 110° 1.75 1.8 1.85<br />
1416 263 235 154 .347 .089 .074 .607 .625 .642<br />
1417 267 239 158 .347 .096 .081 .607 .625 .642<br />
1418 271 243 161 .347 .104 .089 .607 .625 .642<br />
1419 275 247 165 .347 .111 .096 .607 .625 .642<br />
4421 279 251 168 .347 .119 .104 .607 .625 .642<br />
4422 283 255 171 .347 .126 .111 .607 .625 .642<br />
4423 287 259 174 .347 .134 .118 .607 .625 .642<br />
4424 291 263 177 .347 .141 .126 .607 .625 .642<br />
1427 295 267 180 .347 .147 .133 .607 .625 .642<br />
1429 299 271 184 .347 .154 .140 .607 .625 .642<br />
HI-TECH .440" INTAKE ROLLERS<br />
These lobes are to be used in medium to large cubic inch engines. The Hi-Tech .440” are designed with ported<br />
cylinder heads in mind and are easy on springs. These designs are very stable at high engine speeds.<br />
CAMSHAFT TYPE<br />
Hi-Tech <br />
.440” Intake<br />
Rated Duration @<br />
.020” Tappet Lift<br />
LOBE RATED DURATION IN LOBE TAPPET LIFT @ THEORETICAL VALVE LIFT<br />
NUMBER DURATION DEGREES LIFT TDC @ “0” LASH ROCKER ARM RATIO<br />
@ .050” @ .200” 106° 110° 1.5 1.6 1.7<br />
3207 296-16 260 178 .440 .132 .116 .660 .704 .748<br />
4076 301-6 264 181 .440 .141 .125 .660 .704 .748<br />
4119 303-6 266 183 .440 .144 .129 .660 .704 .748<br />
4077 305-6 268 184 .440 .147 .132 .660 .704 .748<br />
4078 309-6 272 187 .440 .153 .137 .660 .704 .748<br />
4079 313-6 276 189 .440 .157 .142 .660 .704 .748<br />
4080 317-6 280 192 .440 .161 .146 .660 .704 .748<br />
4081 321-6 284 195 .440 .168 .153 .660 .704 .748<br />
4082 325-6 287 198 .440 .173 .158 .660 .704 .748<br />
HI-TORQUE .440" ROLLERS<br />
These designs are very aggressive and can be used with a variety of rocker ratios. Smaller designs work well in oval<br />
track motors and larger designs work in drag racing applications. The Hi-Torque .440” designs are stable to<br />
8200+ rpm.<br />
CAMSHAFT TYPE<br />
Hi-Torque .440"<br />
Rated Duration @<br />
.020” Tappet Lift<br />
LOBE RATED DURATION IN LOBE TAPPET LIFT @ THEORETICAL VALVE LIFT<br />
NUMBER DURATION DEGREES LIFT TDC @ “0” LASH ROCKER ARM RATIO<br />
@ .050” @ .200” 106° 110° 1.5 1.6 1.7<br />
4217 278-8 250 174 .440 .115 .099 .660 .704 .748<br />
4216 280-8 252 176 .440 .119 .102 .660 .704 .748<br />
4240 284-8 256 178 .440 .122 .105 .660 .704 .748<br />
4241 288-8 260 182 .440 .131 .114 .660 .704 .748<br />
4243 292-8 264 186 .440 .140 .123 .660 .704 .748<br />
4245 296-8 268 190 .440 .149 .131 .660 .704 .748<br />
4252 300-8 272 194 .440 .157 .139 .660 .704 .748<br />
4253 304-8 276 197 .440 .177 .160 .660 .704 .748<br />
4213 308-8 280 201 .440 .185 .167 .660 .704 .748<br />
4214 312-8 284 205 .440 .191 .174 .660 .704 .748<br />
4254 316-8 288 210 .440 .198 .180 .660 .704 .748<br />
1 . 8 0 0 . 9 9 9 . 0 8 5 3
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