Page 241 - 2022-23 Auto Performance Drag Racing

2022-23
High-Performance Valve Springs Dual Valve Springs
DRAG RACING
Load @ Checking Height
Load @ Open Height
Coil Bind Ht. In. 1.110" 1.050" 1.100" 1.175" 1.160" 1.180" 1.160" 1.200" 1.180" 1.160" 1.200" 1.085" 1.170"
1.230"
COM986-16
Matched Retainers Lock
Part No. COM914-16
Description
2 Spring Assy. 2 Spring Assy. 2 Spring Assy.
OD In.
1.489" 1.550" 1.540"
ID In.
Lbs.
In.
Lbs.
In.
1.200" 1.100" 1.250" 1.200" 1.250" 1.230" 1.250" 1.300" 1.250" 1.250" 1.300" 1.250" 1.250"
1.300"
1.250" 1.250" 1.250" 1.250" 1.250" 1.200"
Steel COM741-16 COM741-16 COM741-16 COM741-16 COM741-16 COM741-16 COM741-16 COM741-16 COM748-16 N/A COM740-16 COM741-16 COM741-16
Titanium Angle COM731-16 10° COM731-16 10° COM731-16 10° COM732-16 10° COM732-16 10° COM732-16 10° COM732-16 10° COM732-16 10°
COM917-16 COM919-16 COM924-16 COM928-16 COM929-16 COM930-16 COM933-16 COM935-16 COM943-16 COM950-16 COM953-16 COM954-16
COM955-16
COM959-16 COM977-16 COM978-16 COM985-16 COM986-16 COM987-16 COM988-16 COM991-16 COM994-16 COM995-16 COM996-16 COM998-16 COM999-16 COM26926-16 COM26527-16 COM26547-16
2 Spring (920, 974) w/Damper 1.509"
.819" 165 .824" 200 .814" 194 .697" 115 .795" 149 .755" 150 .795" 142 .750" 176 .746" 194 .812" 240 .724" 132 .755" 162 .731" 223
.812" 240
1.800" 385 1.800" 596 1.950" 579 1.900" 322 1.880" 371 1.880" 434 1.900" 371 1.950" 494 1.950" 524 1.900" 598 1.900" 331 1.900" 484 1.900" 537
2.000" 582
2.000" 671 1.850" 419 1.850" 368 1.750" 331 1.750" 280
2 Spring Assy. 2 Spring Assy. 2 Spring Assy. 2 Spring Assy. 2 Spring Assy.
2 Spring Assy. Inter-Fit
Hi-Tech
Hi-Tech
1.550" 1.535" 1.509" 1.550" 1.554" 1.550" 1.464" 1.535" 1.535"
1.550"
1.645" 1.460" 1.460" 1.430" 1.430" 1.430" 1.384" 1.650" 1.437" 1.437" 1.625" 1.625" 1.550" 1.320" 1.301" 1.550"
— 10° COM731-16 10° COM730-16 10° COM732-16 10° COM732-16 10° N/A COM720-16, 10°
2 Spring Assy. Inter-Fit 2 Spring Assy. 2 Spring Assy. 2 Spring Assy.
2 Spring Assy. Inter-Fit Pacaloy 2 Spring Assy. (972,973)
2 Spring Assy. (972,974)
2 Spring Assy. (984,973)
.865" 236 .700" 155 .697" 126 .700" 164 .697" 132
N/A
COM731-16 COM739-16 10° COM730-16 10° COM730-16 10° COM730-16 10° COM730-16 10° COM730-16 10° COM730-16 10° COM733-16 10° COM730-16 10° COM730-16 10° COM733-16 10° COM733-16 10° COM732-16 10°
COM944-16 COM26082-16
1.145"
1.195"
1.195"
1.150"
1.150"
1.150"
1.000"
1.125"
1.020"
1.050"
1.090"
1.090"
1.090"
1.066"
1.150"
1.190" COM1732-16
2 Spring Assy. (984,974) 2 Spring Assy. (984,975) 2 Spring Assy.
2 Spring Assy.
2 Spring Assy.
2 Spring Assy. (990,975) 2 Spring Assy. H-11
2 Spring Assy. H-11
2 Spring Assy. H-11 Ultra Dual 2-Spring, LS7/LT1/LT4 2-Spring
.697" .804" .820" .697" .697" .769" .769" .724" .654" .646" .784"
121
125 1.600"
COM740-16 COM740-16 COM740-16 COM740-16 COM740-16 COM740-16 N/A COM740-16 COM740-16 N/A
1.800"
388
240 1.100"
222 100 115 223 228 196 159 159 285
1.950" 1.700" 1.700" 2.000" 1.900" 1.900" 1.835" 1.900" 2.150"
670 300 340 759 702 671 448 458 810
1.250" 1.150" 1.150" 1.150" 1.200" 1.150" 1.160" 1.200" 1.250"
N/A
N/A
— 7° COM779-16 7° COM732-16 10°
COM1779-16 COM1779-16
Hi-Tech Drag Race Valve Springs
Part No. Description OD In. COM944-16 A 2 Spring Assy. Hi-Tech 1.570" COM946-16 A 3 Spring Assy. Hi-Tech 1.645" COM947-16 A 3 Spring Assy. Hi-Tech 1.645" COM948-16 A 3 Spring Assy. Hi-Tech 1.645"
ID In.
Load @ Checking Height
Load @ Open Height
Coil Bind Ht. In. 1.100" 1.130" 1.130" 1.130" 1.100"
Matched Retainers Lock
Steel
— — — — —
Lbs.
In.
Lbs.
In.
1.200" 1.250" 1.250" 1.200" 1.200"
Titanium Angle COM731 10° COM739 10°
.796" 190 .635" 353 .635" 304 .635" 332
1.950" 755 1.900" 800 2.000" 848 2.100" 949 1.950" 710
COM739 B 10° COM739 10°
COM951-16 2 Spring Assy. Hi-Tech 1.620" .846" 230
Notes: All valve springs are available as singles or in sets of 8, 12, or 16. Springs are checked with proper retainer. Spring pressure may vary +/-10%. A: Special seals available to fit these springs. B: Use COM735 for +.050" installed height.
COM736
10°
Hi-Tech Drag Race Valve Springs for High Valve Lift Applications
Designed for drag engines with valve lifts exceeding .750", springs have a very high level of fatigue resis- tance for extended life and durability. High-tech, super-clean chrome silicon material is held to tight stress
relief and shot peen tolerances.
Description
Triple Spring
Dual Spring with Damper Dual Spring with Damper
OD In.
1.645" 1.625" 1.549"
Load @ Checking Height Load @ Open Height
Coil Bind Ht. In. 1.130" 1.205" 1.225"
Matched Retainers Lock Titanium Angle COM735-16/739-16 10°
Part No. COM26082-16
ID In. Lbs.
.635" 332 .769" 245 .719" 230
In. Lbs.
2.100" 949 2.050" 706 2.050" 642
In.
1.200" 1.250" 1.300"
Steel —
COM733-16 10° COM732-16 10°
COM26099-16 COM26115-16
— COM748-16
Trey Goodson
239