Page 211 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

High Performance Pushrods GM LS XD-A Adjustable Pushrods NEW!
Hi-Tech Pushrods By Application Engineered for GM
LS engines, XD-A
One-piece, ball-type pushrods are made from .080" wall seam- adjustable pushrods
less 4130 chrome moly and are heat treated to a hardness of 60 allow preload to be set
on the Rockwell “C” scale. Black oxide fi nished for strength and or valve lash to be adjusted. Pushrods may be adjusted in .004”
durability. Length is stencilled on each pushrod. Sold individually increments with a total range of .232” when using corresponding
or in sets of 16. For an individual part number, substitute -1 in shim kit. Pushrods may be purchased in sets of 16, or complete
place of the -16 suffi x. Applications with -1 are available individu- with shim kit to maximize adjustment range.
ally only. Part No. Length
COM896805-16 XD-A Adjustable Pushrod Set, 7.320”-7.552”
Dia./Wall
Part No. Description Thk. Length COM896805-KIT XD-A Adjustable Pushrod Set And Shim Kit, 7.320”-7.552”
XD-A Adjustable Pushrod Set, 7.530”-7.762”
COM896806-16
Small Block Chevrolet COM896806-KIT XD-A Adjustable Pushrod Set And Shim Kit, 7.530”-7.762”
COM7940-16 -.600" Short Std. L. OE Hyd. Roller Lifter 5/16"/.080" 7.200"
COM896807-16
XD-A Adjustable Pushrod Set, 7.740”-7.972”
COM7944-16 -.550" Short 5/16"/.080" 7.250" COM896807-KIT XD-A Adjustable Pushrod Set And Shim Kit, 7.740”-7.972”
COM7949-1 -.500" Short Retro. Std. L. Hyd. Roller Lifter 5/16"/.080" 7.300" COM896808-16 XD-A Adjustable Pushrod Set, 7.950”-8.182”
COM7950-1 -.450" Short 5/16"/.080" 7.350" COM896808-KIT XD-A Adjustable Pushrod Set And Shim Kit, 7.950”-8.182”
COM7963-16 -.100" Short 5/16"/.080" 7.700" COM896809-16 XD-A Adjustable Pushrod Set, 8.160”-8.392”
COM7970-16 -.050" Short 5/16"/.080" 7.750" COM896809-KIT XD-A Adjustable Pushrod Set And Shim Kit, 8.160”-8.392”
COM7972-16 Std. Length. Small Block Chevy 5/16"/.080" 7.800" COM896801 XD-A Adjustable Pushrod Shim Kit Only
COM7974-16 +.050" Long 5/16"/.080" 7.850"
COM7993-16 +.100" Long 5/16"/.080" 7.900"
COM7994-16 +.150" Long 5/16"/.080" 7.950" Hi-Tech 3/8" 210° Radius Pushrods
COM7995-16 +.200" Long 5/16"/.080" 8.000" Includes the same features as traditional Hi-Tech pushrods, but
COM7996-16 +.250" Long 5/16"/.080" 8.050" include a 210° rather than 180° radius, often required for high lift
COM7997-16 +.300" Long 5/16"/.080" 8.100"
COM7913-16 Std. Length Small Block Chevy 3/8"/.080" 7.800" applications. Pushrods listed are 3/8" diameter x .080" wall thick-
COM7984-16 +.100" Long 3/8"/.080" 7.900" ness. Sold in sets of 16.
Big Block Chevrolet Part No. Length
COM7931-1 Std. Length Intake 3/8"/.080" 8.280" COM7732-16 7.900"
COM7941-16 Std. Length Exhaust 3/8"/.080" 9.250" COM7733-16 7.950"
COM7954-16 Std. Length Set, 8 Ea. COM7931/COM7941 3/8"/.080" 8.275"/9.250" COM7734-16 8.000"
COM7969-16 +.100" Long Intake 3/8"/.080" 8.380" COM7735-16 8.050"
COM7979-8 +.100" Long Exhaust 3/8"/.080" 9.350" COM7736-16 8.100"
COM7982-16 +.100 Long Set, 8 Ea. COM7969/COM7979 3/8"/.080" 8.380"/9.350" COM7737-16 8.500"
COM7951-1 Std. Length Tall Deck Intake 3/8"/.080" 8.680" COM7738-16 8.550"
COM7961-1 Std. Length Tall Deck Exhaust 3/8"/.080" 9.650" COM7739-16 8.600"
Std. Length Tall Deck Set, 8 Ea.
COM7964-16 3/8"/.080" 8.680"/9.650"
COM7951/COM7961 Hi-Tech Checking Pushrods
COM7968-16 +.100" Long Tall Deck Intake 3/8"/.080" 8.780"
COM7978-1 +.100" Long Tall Deck Exhaust 3/8"/.080" 9.750"
Small Block Ford
COM7929-16 Std. Length 221-302 1962-69 5/16"/.080" 6.800" Pushrod length is crit i cal when fi guring rocker arm ge om e try.
COM7930-16 +.050" Long 221-302 1962-69 5/16"/.080" 6.850" Easily read, black oxide-fi n ished check ers work in the same man-
COM7933-16 +.100" Long 221-302 1962-69 5/16"/.080" 6.900" ner as micrometers, each turn equals .050".
COM7930-16 Std. Length 255-302 1968-85 5/16"/.080" 6.850" Part No. Description From Length To Length
COM7935-1 +.100" Long 255-302 1968-85 5/16"/.080" 6.950" COM7701-1 Length Checker 5.800" 6.800"
COM7997-16 -.050" Short 351W 1969-78 5/16"/.080" 8.100" COM7702-1 Length Checker 6.800" 7.800"
COM7965-16 Std. Length 351W 1969-78 5/16"/.080" 8.150" COM7703-1 Length Checker 7.800" 8.800"
COM7966-16 +.050" Long 351W 1969-78 5/16"/.080" 8.200" COM7704-1 Length Checker 8.800" 9.800"
COM7945-1 Std. Length 351C And Cobra Jet 1970-74 5/16"/.080" 8.400" COM7705* Master Checking Kit 5.800" 9.800"
COM7975-16 +.050" Long 351C And Cobra Jet 1970-74 5/16"/.080" 8.450" COM7709-1 Length Checker With 5/16" Cup End 6.800" 7.800"
COM7976-16 Std. Length Boss 351 1971-72 5/16"/.080" 8.500" COM7711-1 Length Checker With 5/16" Cup End 7.800" 8.800"
COM7932-16 Std. Length Boss 351 1971-72 3/8"/.080" 8.500" COM7719-1 Length Checker With 5/16" Cup End 8.800" 9.800"
Big Block Ford * Contains one each of COM7701, COM7702, COM7703, COM7704.
COM7976-16 -.050" Short 429-460 1972-78 5/16"/.080" 8.500"
COM7948-16 Std. Length. 429-460 1972-78 5/16"/.080" 8.550"
COM7977-1 +.050" Long 429-460 1972-78 5/16"/.080" 8.600" Pushrod Length Checker
COM7992-1 -.100" Short 429-460 1972-78 3/8"/.080" 8.450"
COM7934-16 Std. Length. 429-460 1972-78 3/8"/.080" 8.550"
COM7951-1 Std. Length. 429-460 1969-71 3/8"/.080" 8.680" Easily lay out and de ter mine correct pushrod length. Made from
COM7968-16 +.100" Long 429-460 1969-71 3/8"/.080" 8.780"
Small Block Chrysler a thin wall 5/16" pushrod, cut and threaded, with a 5/16" ball on
COM7956-16 -.050" Short 273-360 “A” 5/16"/.080" 7.450" each end, to provide over 1" of travel.
COM7957-16 Std. Length 273-360 “A” 5/16"/.080" 7.500" Part No. Description From Length To Length
COM7958-16 +.050" Long 273-360 “A” 5/16"/.080" 7.550" COM7901-1 Individual Pushrod Length Checker 7.500" 8.700"
Big Block Chrysler COM7902-1 Individual Pushrod Length Checker 8.500" 9.800"
COM7977-1 +.050" Long 383-400 “B” 5/16"/.080" 8.600" COM7903-1 Individual Pushrod Length Checker 9.700" 11.000"
COM7934-16 Std. Length 383-400 “B” 3/8"/.080" 8.550" COM7905-1 Individual Pushrod Length Checker 6.125" 7.500"
COM7923-16 Std. Length 413-440 “RB” 3/8"/.080" 9.300" COM7900** Master Pushrod Checking Kit 6.125" 11.500"
COM7979-8 +.050" Long 413-440 “RB” 3/8"/.080" 9.350" ** Contains one each of COM7901, COM7902, COM7903, COM7904, COM7905.

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