Page 412 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

Hydraulic Lifters GM LS Dual Valve Spring Kit
Micro-trol hydraulic lifters provide superior oil control. LNT73925K1
Sold in sets of 16. Popular, dual valve spring kit is the
Part No. Description perfect upgrade for GM LS applications
LNT71817-16 Chevrolet V8 all, 262-454 with up to .650" lift. Kit includes Signa-
LNT71977-16 Chrysler 273-360 “A”, “B”/“RB” 383-440
LNT71951-16 Oldsmobile 1968-Up 260-455, Pontiac 265-455 ture Series dual valve springs (without
damper), retainers, valve locks, spring
Mechanical Lifters locators, and valve seals. For use with valves with 8mm stems.
Lunati’s solid lifters maintain exact valve lash and
meter a precise amount of oil for efficient operation and Valve Spring Retainers
ultimate performance. Sold in sets of 16. Chrome moly retainers are avail-
Part No. Description able for 7° or 10° valve locks. Use
LNT70992-16 Chevrolet And Pontiac, All diagram for reference. Sets of 16.
LNT70937-16 Chrysler, All
LNT70000-16 Ford, All Except “FE” Valve Valve Dimensions
Part No. Description Lock Angle Stem A B C
LNT75740-16 Dual Valve Spring 10° All 1.400" 1.060" .690"
Pop-Up Mechanical Roller Lifters LNT75742-16 Chevy & Buick 7° 11/32" 1.230" .870" .650"
7°
Chevy, Ford, etc.
Lightweight, pop-up lifters are spring-loaded so the LNT75743-16 Dual Valve Spring 10° 11/32" 1.400" 1.060" .690"
All
LNT75748-16
.710"
1.500" 1.095"
camshaft can be replaced without removing the intake
manifold. Sets of 16. Chrome Moly Valve Locks
Part No. Description Chrome moly valve locks are available for both 7° and
LNT72400-16 SB Chevrolet 283-400, Centered, .842" Dia.
LNT72401-16 BB Chevrolet 396-454, Centered, .842" Dia. 10° retainers. Sold as a set for V8’s (16 pairs).
Part No. Description Stem Dia. Type Application
Vertical Bar Mechanical Roller Lifters LNT77003-16 7° Valve Locks 11/32" Single Groove LNT75742-16 Only
LNT77004-16 7° Valve Locks 3/8" Single Groove LNT75743-16 & 75713
Lifters feature maximized lifter bore contact for reduced LNT77111-16 10° Valve Locks 11/32" Single Groove Lash Cap Recess
wear, while the premium, heat-treated construction
provides increased durability. Sold in sets of 16. Signature Series Crankshafts
Part No. Description Premium crankshafts are manufactured
LNT72403-16 SB Chevrolet 283-400, +.300" Taller, Centered, .842" Dia. from non-twist 4340 steel and
LNT72405-16 BB Chevrolet 396-454, +.300" Taller, Centered, .842" Dia.
are professionally prepared for
Performance Valve Springs applications in excess of 1,500 horsepower.
Crankshafts include gun drilled mains, lightened rod journals, profiled
Chrome silicon valve springs are ideal for street/strip or mild
bracket race use. Sold in sets of 16. counterweights, and micropolished journals.
Main Rod Min. Rod
Installed Installed Pressure Coil Bind Outside Part No. Description Stroke Journal Journal Length
Part No. Height Pressure @ 1.25" Height Dia. Retainer
LNT73949-16 1.650" 120 Lbs. 265 Lbs. .950" 1.440" LNT75743-16 LNT60240001 SB Chevy, 2-Pc. Rear Main 4.000" 2.648" 2.100" 6.000"
LNT73084-16 1.750" 115 Lbs. 250 Lbs. 1.080" 1.450" LNT75743-16 LNT60445002 BB Chevy, 2-Pc. Rear Main 4.500" 2.750" 2.200" 6.535"
LNT73943-16 1.750" 108 Lbs. 339 Lbs. 1.060" 1.260" LNT75742-16
LNT73126-16 1.800" 100 Lbs. 295 Lbs. 1.100" 1.500" LNT75743-16
LNT73815-16 1.820" 120 Lbs. 312 Lbs. 1.100" 1.500" LNT75743-16
LNT73100-16 1.850" 125 Lbs. 328 Lbs. 1.070" 1.450" LNT75740-16
LNT73117-16 1.850" 197 Lbs. 533 Lbs. 1.110" 1.500" LNT75740-16
LNT73124-16 1.880" 136 Lbs. 355 Lbs. 1.150" 1.500" LNT75743-16
LNT73121-16 1.940" 140 Lbs. 400 Lbs. 1.150" 1.526" LNT75742-16
LNT73367-16 1.950" 210 Lbs. 550 Lbs. 1.150" 1.550" LNT75742-16
LNT74650-16 1.950" 235 Lbs. 587 Lbs. 1.144" 1.514" LNT75748-16

Ovate Beehive Valve Spring Set NEW!
Advanced ovate beehive valve springs, for applications with
up to .600" lift, offer improved valvetrain harmonics. Sold
in set of 16.
Part No. Installed Pressure Open Pressure Coil Bind Height Outside Dia.
LNT74818-16 130 @ 1.800" 318 @ 1.200" 1.140" 1.290"

Tom Johnson

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