Page 453 - 2022-23 Auto Performance Drag Racing

Hydraulic Lifters
DRAG RACING
GM LS Dual Valve Spring Kit
LNT73925K1
Popular dual valve spring kit is
the perfect upgrade for GM LS
applications with up to .650"
lift. Kit includes Signature Series
dual valve springs (without
damper), retainers, valve locks,
spring locators, and valve seals. For use with valves with 8mm stems.
Micro-trol hydraulic lifters provide superior oil
control. Sold in sets of 16.
Part No.
Mechanical Lifters
Description
LNT71817-16
Chevrolet V8 all, 262-454
LNT71817G-16
Chevrolet V8, All 262-454, Race Version NEW!
LNT71977-16
Chrysler 273-360 “A”, “B”/“RB” 383-440
LNT71951-16
Oldsmobile 1968-Up 260-455, Pontiac 265-455
Lunati’s solid lifters maintain exact valve
lash and meter a precise amount of oil for efficient operation and ultimate performance. Sold in sets of 16.
Valve Spring Retainers
Chrome moly retainers are
available for 7° or 10° valve locks. Use diagram for reference. Sets of 16.
Chrome Moly Valve Locks
Chrome moly valve locks are available for both 7° and 10° retainers. Sold as a set for
Part No.
Pop-Up Mechanical Roller Lifters
Description
LNT70992-16
Chevrolet and Pontiac, All
LNT70000-16
Ford, All Except “FE”
Dimensions
Lightweight, pop-up lifters are spring-loaded so the camshaft can be replaced without removing the intake manifold. Sets of 16.
Part No. Description Vertical Bar Mechanical Roller Lifters
Lifters feature maximized lifter bore contact for reduced wear, while the pre- mium, heat-treated construction provides increased durability. Sold in sets of 16.
V8’s (16 pairs).
Part No.
Description
Stem Dia. Type
ABC
Application
Part No.
LNT75740-16
LNT75742-16
LNT75743-16
LNT75748-16
Description
Dual Valve Spring
Chevy & Buick
Chevy, Ford, etc.
Dual Valve Spring
Valve Lock Angle
10°
7°
10°
Valve Stem
All
All
1.400"
1.230"
1.060"
.690"
LNT75741-16
Dual Valve Spring
10°
All
11/32"
1.550"
1.115"
.870"
.690"
.650"
7°
11/32"
1.400"
1.500"
1.060"
1.095"
.690"
.710"
LNT72400-16
SB Chevrolet 283-400, Centered, .842" Dia.
LNT72401-16
BB Chevrolet 396-454, Centered, .842" Dia.
LNT77003-16
7° Valve Locks
11/32"
Single Groove
LNT75742-16 Only
LNT77004-16
7° Valve Locks
3/8"
Single Groove
LNT75743-16
LNT77111-16
10° Valve Locks
11/32"
Single Groove
Lash Cap Recess
Part No.
Performance Valve Springs
Description
Voodoo Crankshafts NEW!
LNT72403-16
SB Chevrolet 283-400, +.300" Taller, Centered, .842" Dia.
LNT72405-16
BB Chevrolet 396-454, +.300" Taller, Centered, .842" Dia.
Chrome silicon valve springs are ideal for street/strip or mild bracket race use. Sold in sets of 16.
Constructed using 4340 non-
twist forgings, Voodoo crank-
shafts provide superior durability
and strength, yet are very affordable.
Each crank is nitride heat treated with
micropolished journals and includes lightening holes in each rod journal to reduce weight.
NOTE: All Lunati crankshafts require narrow or chamfered main and rod bearings.
Signature Series Crankshafts
Premium crankshafts are manu-
factured from non-twist
4340 steel and are profes-
sionally prepared for applications
in excess of 1,500 horsepower. Crankshafts include gun- drilled mains, lightened rod journals, profiled counterweights, and micropolished journals.
Part No.
Description
Stroke
Main Journal
Rod Journal
Min. Rod Length
LNT70840001
GM LS Gen. III/IV
4.000"
2.559"
2.100"
6.125"
LNT70534001
SB Ford 302
3.400"
2.250"
2.100"
5.400"
Part No.
Installed Height
Installed Pressure
Pressure @ 1.25"
Coil Bind Height
Outside Dia.
Retainer
LNT73949-16
1.650"
120 Lbs.
265 Lbs.
.950"
1.440"
LNT75743-16
LNT73084-16
1.750"
115 Lbs.
250 Lbs.
1.080"
1.450"
LNT75743-16
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
Advanced ovate beehive valve springs, for ap- plications with up to .600" lift, offer improved valvetrain harmonics. Sold in set of 16.
Part No. Installed Pressure Open Pressure Coil Bind Height LNT74818-16 130 @ 1.800" 318 @ 1.200" 1.140"
Outside Dia.
1.290"
Part No.
Description
Stroke
Main Journal
Rod Journal
Min. Rod Length
LNT60240001
SB Chevy, 2-Pc. Rear Main
4.000"
2.648"
2.100"
6.000"
LNT60445002
BB Chevy, 2-Pc. Rear Main
4.500"
2.750"
2.200"
6.535"
451
2022-23