Page 230 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

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

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