Page 244 - 2022-23 Auto Performance Drag Racing

Hi-Tech Pushrods By Application
DRAG RACING
COM7972-16
GM LS XD-A Adjustable Pushrods
One-piece, ball-type pushrods are made from .080" wall seamless 4130 chrome moly and are heat treated to a hard- ness of 60 on the Rockwell “C” scale. Black oxide finished for strength and durability. Length is stencilled on each pushrod. Sold individually or in sets of 16. For an individual part num- ber, substitute -1 in place of the -16 suffix. Applications with -1 are available individually only.
COM896805-16
Part No.
Small Block Chevrolet
COM7940-16 COM7944-16 COM7949-1
COM7950-1 COM7963-16 COM7970-16 COM7972-16 COM7974-16 COM7993-16 COM7994-16 COM7995-16 COM7996-16 COM7997-16 COM7913-16 COM7984-16
Description
Dia./Wall Thk.
Length
7.200" 7.250" 7.300"
7.350" 7.700" 7.750" 7.800" 7.850" 7.900" 7.950" 8.000" 8.050" 8.100" 7.800" 7.900"
8.280" 9.250"
8.275"/9.250"
8.380" 9.350"
8.380"/9.350"
8.680" 9.650"
8.680"/9.650"
8.780" 9.750"
6.800" 6.850" 6.900" 6.850" 6.950" 8.100" 8.150" 8.200"
8.400"
8.450"
8.500" 8.500"
8.500" 8.550" 8.600" 8.450" 8.550" 8.680" 8.780"
6.600"/7.850" 6.650"/7.900" 6.850"/8.150" 6.700"/7.900"
7.450" 7.500" 7.550"
8.600" 8.550" 9.300" 9.350"
Engineered for GM LS engines, XD-A adjustable pushrods allow preload to be set or valve lash to be adjusted. Pushrods may be adjusted in .004" increments with a total range of .232" when using corresponding shim kit. Pushrods may be purchased in sets of 16, or complete with shim kit to maxi- mize adjustment range.
-.600" Short Std. L. OE Hyd. Roller Lifter
5/16"/.080"
-.550" Short
5/16"/.080"
-.500" Short Retro. Std. L. Hyd. Roller Lifter
5/16"/.080"
-.450" Short
5/16"/.080"
-.100" Short
5/16"/.080"
-.050" Short
5/16"/.080"
Std. Length. Small Block Chevy
5/16"/.080"
+.050" Long
5/16"/.080"
+.100" Long
5/16"/.080"
+.150" Long
5/16"/.080"
+.200" Long
5/16"/.080"
+.250" Long
5/16"/.080"
+.300" Long
5/16"/.080"
Std. Length Small Block Chevy
3/8"/.080"
+.100" Long
3/8"/.080"
Part No.
Length
COM896805-16
XD-A Adjustable Pushrod Set, 7.320"-7.552"
COM896806-16
XD-A Adjustable Pushrod Set, 7.530"-7.762"
COM896806-KIT
XD-A Adjustable Pushrod Set and Shim Kit, 7.530"-7.762"
COM896807-KIT
XD-A Adjustable Pushrod Set and Shim Kit, 7.740"-7.972"
COM896808-16
XD-A Adjustable Pushrod Set, 7.950"-8.182"
COM896809-16
XD-A Adjustable Pushrod Set, 8.160"-8.392"
COM896809-KIT
XD-A Adjustable Pushrod Set and Shim Kit, 8.160"-8.392"
COM896801
XD-A Adjustable Pushrod Shim Kit Only
Big Block Chevrolet
Hi-Tech Checking Pushrods
COM7931-1 COM7941-16
COM7702-1
Std. Length Intake
3/8"/.080"
Std. Length Exhaust
3/8"/.080"
Std. Length Set, 8 Ea. COM7931/COM7941
3/8"/.080"
+.100" Long Intake
3/8"/.080"
+.100" Long Exhaust
3/8"/.080"
+.100 Long Set, 8 Ea. COM7969/COM7979
3/8"/.080"
Std. Length Tall Deck Intake
3/8"/.080"
Std. Length Tall Deck Exhaust
3/8"/.080"
Std. Length Tall Deck Set, 8 Ea. COM7951/COM7961
3/8"/.080"
+.100" Long Tall Deck Intake
3/8"/.080"
+.100" Long Tall Deck Exhaust
3/8"/.080"
COM7954-16
COM7969-16 COM7979-8
COM7982-16
COM7951-1 COM7961-1
COM7964-16
COM7968-16 COM7978-1
COM7929-16 COM7930-16 COM7933-16 COM7930-16 COM7935-1 COM7997-16 COM7965-16 COM7966-16
COM7945-1
COM7975-16
COM7976-16 COM7932-16 Big Block Ford COM7976-16 COM7948-16 COM7977-1 COM7992-1 COM7934-16 COM7951-1 COM7968-16
Pushrod length is critical when figuring rocker arm geometry. Easily read, black oxide-finished checkers work in the same
manner as micrometers, each turn equals .050".
Part No.
Description
From Length
To Length
COM7701-1
Length Checker
5.800"
6.800"
COM7702-1
Length Checker
6.800"
7.800"
COM7703-1
Length Checker
7.800"
8.800"
COM7704-1
Length Checker
8.800"
9.800"
COM7705*
Master Checking Kit
5.800"
9.800"
COM7709-1
Length Checker with 5/16" Cup End
6.800"
7.800"
COM7711-1
Length Checker with 5/16" Cup End
7.800"
8.800"
COM7719-1
Length Checker with 5/16" Cup End
8.800"
9.800"
Small Block Ford
Std. Length 221-302 1962-69
5/16"/.080"
+.050" Long 221-302 1962-69
5/16"/.080"
+.100" Long 221-302 1962-69
5/16"/.080"
Std. Length 255-302 1968-85
5/16"/.080"
+.100" Long 255-302 1968-85
5/16"/.080"
-.050" Short 351W 1969-78
5/16"/.080"
Std. Length 351W 1969-78
5/16"/.080"
+.050" Long 351W 1969-78
5/16"/.080"
Std. Length 351C and Cobra Jet 1970-74
5/16"/.080"
+.050" Long 351C and Cobra Jet 1970-74
5/16"/.080"
Std. Length Boss 351 1971-72
5/16"/.080"
Std. Length Boss 351 1971-72
3/8"/.080"
*Contains one each of COM7701-1, COM7702-1, COM7703-1, COM7704-1.
Pushrod Length Checker
Easily lay out and determine correct pushrod length. Made from a thin wall 5/16" pushrod, cut and threaded, with a 5/16" ball on each end, to provide over 1" of travel.
**Contains one each of COM7901-1, COM7902-1, COM7903-1, COM7904-1, COM7905-1.
COM7901-1
-.050" Short 429-460 1972-78
5/16"/.080"
Std. Length. 429-460 1972-78
5/16"/.080"
+.050" Long 429-460 1972-78
5/16"/.080"
-.100" Short 429-460 1972-78
3/8"/.080"
Std. Length. 429-460 1972-78
3/8"/.080"
Std. Length. 429-460 1969-71
3/8"/.080"
+.100" Long 429-460 1969-71
3/8"/.080"
Part No.
Description
From Length
To Length
COM7901-1
Individual Pushrod Length Checker
7.500"
8.700"
COM7902-1
Individual Pushrod Length Checker
8.500"
9.800"
COM7903-1
Individual Pushrod Length Checker
9.700"
11.000"
COM7905-1
Individual Pushrod Length Checker
6.125"
7.500"
COM7900**
Master Pushrod Checking Kit
6.125"
11.500"
Chrysler/Dodge Gen III Hemi
COM7914-16 COM8720-16 COM8721-16 COM8722-16
Std. Length 5.7/6.1L Hemi
5/16"/.080"
5.7L, 2003-08
5/16"/.080"
5.7-6.4L, 2009-Up
5/16"/.080"
6.1L, 2005-10
5/16"/.080"
Small Block Chrysler
COM7956-16 COM7957-16 COM7958-16
-.050" Short 273-360 “A”
5/16"/.080"
Std. Length 273-360 “A”
5/16"/.080"
+.050" Long 273-360 “A”
5/16"/.080"
Big Block Chrysler
COM7977-1 COM7934-16 COM7923-16 COM7979-8
+.050" Long 383-400 “B”
5/16"/.080"
Std. Length 383-400 “B”
3/8"/.080"
Std. Length 413-440 “RB”
3/8"/.080"
+.050" Long 413-440 “RB”
3/8"/.080"
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