Page 226 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

7° Steel Valve Spring Retainers Machined 7° Steel Valve Stem Locks
Crane’s 7° Steel Valve Spring Retain- Steel locks are machined from the
ers are machined from quality steel highest quality alloy steel billet and
bar stock, heat treated for strength and then carefully heat treated for ultimate
durability and then coated with a black oxide finish for corrosion strength and wear resistance. Strongly
resistance. Sold in sets of 16. recommended for high engine speeds and high-tension valve
Valve Stem Spring OD Dimensions springs. Packaged 32-pieces to a set (16 complete locks).
Part No. Dia. And Type “A” “B” “C” Part No. Description
CRN99964-16 5/16" 1.540" Dual S.D. Style 1.500" 1.135" .725" CRN99091-1 5/16" Single Groove
1.225" To 1.250" CRN99095-1 11/32" Single Groove, .050" Additional Ht.
CRN99916-16 11/32" 1.203" .867" .607"
Single Or Dual CRN99096-1 11/32" Single Groove, .050" Less Ht.
1.225" To 1.250" CRN99097-1 11/32" Single Groove, Standard Ht.
CRN99915-16 † 11/32" 1.203" .867" .607"
Single Or Dual CRN99089-1 3/8" Single Groove, .050" Less Ht.
1.430" To 1.500" CRN99098-1 3/8" Single Groove, Standard Ht.
CRN99936-16 11/32" 1.375" 1.060" .675"
Single Or Dual CRN99099-1 3/8" Single Groove, .050" Additional Ht.
1.430" To 1.500"
CRN99944-16* 11/32" 1.375" 1.060" .675"
Single Or Dual Multi-Fit 7° Valve Stem Locks
1.430" To 1.500"
CRN99943-16 # 11/32" 1.375" 1.060" .675"
Single Or Dual CRN99094-1
CRN99953-16 11/32" 1.460" Dual 1.375" 1.075" .792" Crane’s Multi-Fit valve locks have additional
CRN99962-16 11/32" 1.530" Dual S.D. Style 1.500" 1.111" .765"
CRN99964-16 11/32" 1.540" Dual S.D. Style 1.500" 1.135" .725" outside diameter for more strength and durabil-
1.540" To 1.630" ity. To be used with Crane Multi-Fit style retainers only. For 11/32"
CRN99956-16 11/32" 1.500" 1.135" .635"
Dual Or Triple valve stems. Packaged 32-pieces to a set (16 complete locks).
1.430" To 1.500"
CRN99948-16 3/8" 1.375" 1.060" .675"
Dual Or Triple
1.430" To 1.500" Valve Stem Seals
CRN99957-16 3/8" 1.375" 1.060" .675"
Dual Or Triple PTFE seals provide proper oil con-
CRN99954-16 3/8" 1.460" Dual 1.375" 1.075" .792" trol and durability and use a spring
CRN99964-16 3/8" 1.540" Dual 1.500" 1.135" .725"
1.540" To 1.630" loaded wiper to remove excess oil
CRN99955-16 3/8" 1.500" 1.135" .635" from the valve stem, preventing
Dual Or Triple
CRN144944-16 8mm 1.275" Dual 1.250" .910" .640" cylinder contamination. Machining
†
* +.040" installed height. # +.100" installed height. +.020 installed is usually required for installation. Sold in sets of 16.
height.
Part No. Stem Dia. Guide O.D. Seal O.D.
CRN99824-16 5/16" .531" .620"
Titanium Valve CRN99826-16 11/32" .500" .600"
Spring Retainers CRN99820-16 11/32" .531" .620"
3/8"
.500"
CRN99828-16
.600"
Stronger and 40% CRN99822-16 3/8" .531" .620"
lighter than steel retain-
ers. Engine will accelerate to maximum RPM
more quickly and make more horsepower. Pushrod Guideplates
Retainers are machined from certified Ameri-
can titanium bar stock and available in both Guideplates sta bi liz e pushrods, and reduces
7° and 10° versions. Sold in sets of 16 rock er arm wan der. Sold in sets of eight.
Valve Stem Spring OD Dimensions Part No. Description
Part No. Dia. And Type “A” “B” “C” CRN11650-1 SB Chevy And 90° V6 With 5/16" Pushrods
7° “Posi-Stop” Titanium Retainers CRN13650-1 BB Chevy 396-454 With 3/8" Pushrods
CRN99678-16 11/32" 1.560" To 1.630" Triple 1.500" 1.135" .635" CRN36650-1 SB Ford With 5/16" Pushrods (Cylinder Head Must Be Machined To
10° Conventional Titanium Retainers Ac cept Screw In Rocker Stud)
1.430" To 1.500"
CRN99630-16 All 1.500" 1.060" .675"
Dual/Triple
Note: All Posi-Stop 7° Titanium Re tain ers are packaged with appropri-
ate Crane valve stem locks. Use CRN99093-1 for 5/16" stem diameter Pushrod Guideplate
and CRN99094-1 for 11/32" stem diameter. 10° Titanium Retainers are Con ver sion Kit
designed with a large opening to accommodate thick 10° machined valve
stem locks. For 11/32" diameter, use CRN99081-1, and for 3/8" diameter Convert Ford V8 and Chryslers to
use CRN99082-1. ad just able valve train without ma-
chine work or head re mov al.
Machined 10° Part No. Description
Steel Valve Stem Locks CRN35655-16 Ford 1972-1997 370-460, 7/16" Stud, 3/8" Pushrod
Ford 1977-1900 255-302, 302 HO,
Many engine builders prefer a 10° taper CRN36655-16** 351W 3/8" Stud, 5/16" Pushrod; Chrysler
and Crane machined steel locks are perfect 1992-1900 318-360 “Magnum”
for any engine requiring 10° locks. Packaged Ford 1970-1982 351C-351M-400, 7/16" Stud,
32-pieces to a set (16 complete locks). CRN52655-16 5/16" Pushrod; Ford 1972-1997 370-460, 7/16" Stud, 5/16"
Part No. Description Pushrod
CRN99081-1 11/32" Single Groove ** Must use CRN11746-16 or CRN11759-16 aluminum rocker arms and
CRN99082-1 3/8" Single Groove 5/16" dia. CRN36668-16 pushrods or CRN36621-16 pushrods (heat treat-
ed) Chrysler only.
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