LS Rail, Injector, and Intake Fitment – TK Performance & Auto
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LS Rail, Injector, and Intake Fitment

Compatibility chart for selection of LS rails with different intake types. Use this chart to find the hardware kit for installing respective rails and injectors on the specific intake manifold.
STEP 1
Intake Configuration		 STEP 2
Use Rail Type		 STEP 3
Injector Type		 STEP 4
Injector Length
(mm)		 STEP 5
Select Hardware Kit*
Stock
LS1 / LS6
Intake		 56-100 (LS1) ID725 48 A
60 (OE length) B
ID850 48 A
60 (OE length) B
ID1000 48 A
60 (OE length) B
ID1050X 48 A
60 (OE length) B
ID1300(X) 48 A
60 (OE length) B
ID1700(X) 48 A
60 (OE length) B
ID2000 48 A
60 (OE length) B
Seimens Deka 60 lb/hr 60 (OE length) B
Seimens Deka 80 lb/hr
Stock
LS2
Intake		 45-100 (LS3) ID725 48 (OE length) F
ID850
ID1000
ID1050X
ID1300(X)
ID1700(X)
ID2000
Seimens Deka 60 lb/hr 60 I
Seimens Deka 80 lb/hr
Stock
LS3 / L99 / L76
Intake		 45-100 (LS3) ID725 48 I
ID850 34 (OE length) C
48 I
ID1000 48 I
ID1050X 34 (OE length) C
48 I
ID1300(X) 34 (OE length) C
48 I
ID1700(X) 34 (OE length) C
48 I
ID2000 34 (OE length) C
48 I
Seimens Deka 60 lb/hr no fitment
Seimens Deka 80 lb/hr
Stock
LS7
Intake		 77-100 (LS7) ID725 48 E
ID850 34 (OE length) D
48 E
ID1000 48 E
ID1050X 34 (OE length) D
48 E
ID1300(X) 34 (OE length) D
48 E
ID1700(X) 34 (OE length) D
48 E
ID2000 34 (OE length) D
48 E
Seimens Deka 60 lb/hr no fitment
Seimens Deka 80 lb/hr
Stock LSA / LS9
Magnuson Heartbeat LSA / LS9		 41-100 (LS9) ID725 no fitment
ID850 34 (OE length) H
ID1000 no fitment
ID1050X 34 (OE length) H
ID1300(X)
ID1700(X)
ID2000
Seimens Deka 60 lb/hr no fitment
Seimens Deka 80 lb/hr
Fast LSXr 102 LS1 / LS2 / LS6
Fast LSXr 102 LS3 / L99 / L67
Fast LSXr 102 LS7		 45-100 (LS3) ID725 48 F
ID850
ID1000
ID1050X
ID1300(X)
ID1700(X)
ID2000
Seimens Deka 60 lb/hr 60 G
Seimens Deka 80 lb/hr
MSD
Atomic Airforce LS7
#2701		 77-100 (LS7) ID725 no fitment
ID850 34 (OE length) J
ID1000 no fitment
ID1050X 34 (OE length) J
ID1300(X)
ID1700(X)
ID2000
Seimens Deka 60 lb/hr no fitment
Seimens Deka 80 lb/hr
* Hardware Pack Inventories:

A:
Qty 4: M6x20 Stainless SHCS

B:
Qty 4: M6x35 Stainless SHCS
Qty 4: 14mm Fuel Rail Mount Spacers

C:
Qty 4: M6x22 Stainless SHCS

D:
Qty 4: M6x30 Stainless SHCS

E:
Qty 4: M6x40 Stainless SHCS
Qty 4: 14mm Fuel Rail Mount Spacers

F:
Qty 4: M6x22 Stainless SHCS
Qty 8: 3mm Lower Injector Rings

G:
Qty 4: M6x30 Stainless SHCS
Qty 4: 7mm Fuel Rail Mount Spacers

H:
Qty 4: M6x12 Stainless SHCS

I:
Qty 4: M6x35 Stainless SHCS
Qty 4: 12mm Fuel Rail Mount Spacers

J:
Qty 4: M6x45 Stainless SHCS
Qty 4: 14mm Fuel Rail Mount Spacers
Qty 8: 10mm Fuel Injector Spacers