Chrome Moly Pushrods Crane’s pushrods are made from aircraft grade seamless 4130 chrome moly steel tubing, with or without heat treating, with tensile strength ratings up to 128,000 lbs. Sold in sets of 16, or available separately. Replace the -16 with a -1 for an individual pushrod. Part No. Description Diameter Length CRN10621-16 1988-99 Chevy V8 305-350 With Factory Roller Lifters 5/16" 7.178" CRN11621-16* 1955-87 Chevy V8 262-400 Heat Treated 5/16" 7.765" (Stock Length) CRN11622-16* 1955-87 Chevy V8 262-400 Heat Treated 5/16" 7.865" (+.100") CRN11624-16* 1955-87 Chevy V8 262-400 Heat Treated 5/16" 7.925" (+.160") CRN11628-16* 1955-87 Chevy V8 262-400 With Crane Hyd. Roller, Heat Treated 5/16" 7.046" (-.719") CRN11630-16* 1955-87 Chevy V8 262-400 Heavy Wall (.062"), Heat Treated 5/16" 7.765" (Stock Length) CRN11632-16 1955-87 Chevy V8 262-400 Heavy Wall (.062") 5/16" 7.865" (+.100") CRN11633-16* 1955-87 Chevy V8 262-400 Heavy Wall (.062"), Heat Treated 5/16" 7.965" (+.200) CRN13628-16 1965-90 Chevy V8 396-454 Heavy Wall (.062"), With Crane Hyd. Roller 3/8" 7.531"/8.531" CRN13630-16* 1965-90 Chevy V8 396-454 Heat Treated 7/16" 8.250" Int./9.250" Exh. CRN13634-16* 1965-90 Chevy V8 396-454 Heavy Wall (.062"), Heat Treated 3/8" 8.250" Int./9.250" Exh. CRN144621-16 1997-10 GM 5.7L LS1/LS2/LS6 5/16” 7.400” CRN36621-16* 1963-68 Ford V8 221-302, Heat Treated 5/16" 6.812" (Stock Length) CRN36622-16* 1969-95 Ford V8 255-302, Heat Treated 5/16" 6.875" (Stock Length) CRN36625-16* 1986-96 Ford V8 302/302 H.O. w/Crane Alum. Rock. And OEM Hyd. Roller 5/16" 6.375" (+.117") CRN34641-16* 1958-76 Ford V8 332-428 “FE” With Roller Lifters, Heat Treated 3/8" 9.125" (-.109") CRN69621-16 1964-91 Plym./Dodge/Chrysler 273-360 (Hyd. Lifters, Adj. Rockers) 5/16" 7.185" CRN64641-16 1958-78 Plym./Dodge/Chrysler 413-440 (Hyd. Lifters, Adj. Rockers) 3/8" 8.930" CRN64622-16* 1958-78 Plym./Dodge/Chrysler 413-440 (Mech. Lifters, Adj. Rockers) 3/8" 9.250" (Stock Length) CRN64629-16* 1958-78 Plym./Dodge/Chrysler 413-440 (Mech. Lifters And Adj. Rockers) 3/8" 8.375" (-.750") CRN28624-16* 1957-81 Pontiac V8 265-455, Heat Treated 5/16" 9.125" (Stock Length) * Heat treated pushrods allow compatability with guide plates. Adjustable Checking Pushrods
Rocker Arm Studs Made from heat-treated, high qual- ity alloy steel, studs have specially machined threads and shoulder area to provide firm, positive rocker arm support.
Special pushrod length checkers are adjustable with over 1.000" of travel. Determine correct pushrod length, while main- taining proper valve train geometry. Sold in pairs. Part No. Description
7.500"-8.700" Length, 5/16" Dia., AMC V8, SB Chevy 265-400, Chrysler “B” 350-400, Ford 351C/Boss, BB Ford 429-460, SB Olds 260-403 7.500"-8.700" And 8.500"-9.800" Length, 5/16" Dia., BB Chevy 396-454
CRN99726-2
Dimensions “A” “B” “C” “D”
Top Stud Dia. & Thread
Bottom Stud Dia. & Thread
Part No.
CRN99730-2
Standard Rocker Arm Studs CRN99152-16* 7/16"-20
3/8"-16 2.650" .750" 1.900" 1.000" 7/16"-14 2.396" .716" 1.680" .806" 7/16"-14 2.560" .800" 1.760" .860"
Note: Pushrod length checkers are NOT designed to be run in any engine and should only be used as a tool to determine proper pushrod length. Steel Rocker Arm Adjusting Nuts Locknuts, are available in traditional self-locking, and new patented Kool Nut, for use with stamped steel rocker arms. Kool Nut’s unique design directs a pressure-fed flow of oil to the pivot ball. Sold in sets of 16. Part No. Description CRN99768-16 Kool Nut, 3/8"-24, Counterbored To Work With Bottleneck Studs CRN99769-16 Kool Nut, 7/16"-20, Counterbored To Work With Bottleneck Studs CRN99770-16 Self Locking, 3/8"-24 CRN99771-16 Self Locking, 7/16"-20 CRN99772-16 Self Locking, 5/16"-24 Shaft Type Rocker Arm Adjusting Screws
CRN99156-16
3/8"-24
CRN99157-16 7/16"-20 CRN99159-16 7/16"-20
7/16"-14 2.670" .740" 1.930" 1.060" * Conversion stud for Chevy Mark V and VI, use factory guideplates. Not recommended for applications with 480lbs.+ open valve spring pressure. Aluminum Rocker Arm Adjusting Nuts
Machined billet steel lock nuts for roller tip, needle bearing aluminum rocker arms include Allen-head set screws. Available for standard valve trains or valve trains fitted with stud girdles. Part No.
Description Min. Rocker Slot Width Overall Ht.
Standard Adjusting Nuts CRN99788-16 3/8"-24 Nuts CRN99790-16 7/16"-20 Nuts CRN99792-16 7/16"-20 Nuts Stud Girdle Adjusting Nuts CRN99803-8 3/8"-24 Nuts
.550" .550" .600" .550" .600" .600"
1.063"
.922" .969"
2.013" 2.637" 2.013"
CRN99809-8** CRN99810-8
7/16"-20 Nuts 7/16"-20 Nuts
Machined from billet steel and heat treated for maximum strength. Sold in sets of 16. Part No.
** Commonly used on BB Chevy 396-454 intake.
Description CRN99780-16* Chrysler V8, “LA”, “B”/“RB”, And 426 Hemi, With Locknut, Severe Duty CRN99802-16 Chrysler V8, “LA”, “B”/“RB”, And 426 Hemi, With Locknut CRN99680-16 Ford V8 332-428 “FE”, With Locknut * Requires special pushrods.
225
Made with FlippingBook flipbook maker