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Items 1-60 of 154
GM - Gen 3/4 LS - Katech Engineering - BTR LS .660 Dual Spring Kit
BTR LS .660 Dual Spring Kit
In Stock
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Description: BTR PLATINUM LS DUAL SPRING KIT with steel retainers - .660" LIFT - SK001
Item #: BTR-SK001
Condition: New
Price: $239.99
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GM - Gen 3/4 LS - Katech Engineering - BTR LS9 .660 Dual Spring Kit
BTR LS9 .660 Dual Spring Kit
In Stock
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Description: BTR PLATINUM LS9 DUAL SPRING KIT with steel retainers - .660" LIFT - SK006
Item #: BTR-SK006
Condition: New
Price: $325.99
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GM - Gen 3/4 LS - Katech Engineering - CHE Bronze Valve Guide- Old Design
CHE Bronze Valve Guide- Old Design
In Stock
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Description: For all LS heads
Item #: KAT-7831
Condition: New
Price: $14.99
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GM - Gen 3/4 LS - Katech Engineering - CHE LT1 & LS Bronze Valve Guide
CHE LT1 & LS Bronze Valve Guide
In Stock
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Description: For LT1 & LS heads
Item #: KAT-7832
Condition: New
Price: $13.99
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GM - Gen 3/4 LS - Katech Engineering - Custom Logo Laser Etching For LS Cylinder Heads
Custom Logo Laser Etching For LS Cylinder Heads
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Description: For Gen 3-4 LS cylinder heads only
Item #: /S-CUSTOMLASER-CYLHD
Condition: New
Price: $0.99
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GM - Gen 3/4 LS - Katech Engineering - Custom Logo Laser Etching Setup Fee For LS Cylinder Heads
Custom Logo Laser Etching Setup Fee For LS Cylinder Heads
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Description: One-time fee to set up a new logo for laser etching
Item #: /S-LASERETCHSETUP
Condition: New
Price: $59.99
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GM - Gen 3/4 LS - Katech Engineering - Cylinder Head Deburr
Cylinder Head Deburr
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Description: Cylinder head deburring service to restore your cylinder heads
Item #: /S-HEADDEBURR
Condition: New
Price: $161.99
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GM - Gen 3/4 LS - Katech Engineering - Deck Cylinder Heads - Amount To Deck: .005"
Deck Cylinder Heads - Amount To Deck: .005"
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Item #: /S-DECKHEADS.005
Condition: New
Price: $177.99
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GM - Gen 3/4 LS - Katech Engineering - Deck Cylinder Heads - Amount To Deck: .010"
Deck Cylinder Heads - Amount To Deck: .010"
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Item #: /S-DECKHEADS.010
Condition: New
Price: $177.99
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GM - Gen 3/4 LS - Katech Engineering - Deck Cylinder Heads - Amount To Deck: .015"
Deck Cylinder Heads - Amount To Deck: .015"
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Item #: /S-DECKHEADS.015
Condition: New
Price: $177.99
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GM - Gen 3/4 LS - Katech Engineering - Deck Cylinder Heads - Amount To Deck: .020"
Deck Cylinder Heads - Amount To Deck: .020"
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Item #: /S-DECKHEADS.020
Condition: New
Price: $177.99
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GM - Gen 3/4 LS - Katech Engineering - Deck Cylinder Heads - Amount To Deck: .030"
Deck Cylinder Heads - Amount To Deck: .030"
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Item #: /S-DECKHEADS.030
Condition: New
Price: $177.99
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GM - Gen 3/4 LS - Katech Engineering - Disassemble Cylinder Heads
Disassemble Cylinder Heads
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Description: Service
Item #: /S-DISASSEMBLE-CYL
Condition: New
Price: $69.99
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GM - Gen 3/4 LS - Katech Engineering - Ferrea - LS7 Exhaust Valve (Set of 8)
Ferrea - LS7 Exhaust Valve (Set of 8)
Backordered
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Description: Ferrea LS7 Hollow Stem Exhaust Valve
Item #: FER-F2042-8
Condition: New
Price: $451.99
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GM - Gen 3/4 LS - Katech Engineering - Ferrea Stainless Steel Exhaust Valve
Ferrea Stainless Steel Exhaust Valve
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Description: Gen 3/4 Stainless steel exhaust valve
Condition: New
Price: $28.49

GM - Gen 3/4 LS - Katech Engineering - Ferrea Stainless Steel Intake Valve
Ferrea Stainless Steel Intake Valve
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Description: Gen 3/4 Stainless steel intake valve
Condition: New
Price: $28.49

GM - Gen 3/4 LS - Katech Engineering - GM Exhaust Valve Seal
GM Exhaust Valve Seal
In Stock
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Description: Seal/seat combination style, pack of 8 for singles use 12645472
Item #: GMP-12482062
Condition: New
Price: $52.99
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GM - Gen 3/4 LS - Katech Engineering - GM Inconel LS3 Exhaust Valve
GM Inconel LS3 Exhaust Valve
Backordered
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Description: OEM GM Inconel LS3 Exhaust Valve
Item #: GMP-12612427
Condition: New
Price: $35.99
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GM - Gen 3/4 LS - Katech Engineering - GM Intake Valve Seal
GM Intake Valve Seal
In Stock
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Description: Seal-only style
Item #: GMP-12533586
Condition: New
Price: $4.99
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GM - Gen 3/4 LS - Katech Engineering - GM Intake Valve Seal
GM Intake Valve Seal
Backordered
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Description: Seal/seat combination style, set of 8 for singles use 12645673
Item #: GMP-12482063
Condition: New
Price: $48.99
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GM - Gen 3/4 LS - Katech Engineering - GM L92 Intake Valve
GM L92 Intake Valve
Backordered
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Description: OEM GM L92 Intake Valve solid stem also fits LS3/LSA/LS9
Item #: GMP-12627970
Condition: New
Price: $26.99
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GM - Gen 3/4 LS - Katech Engineering - GM Lash Cap, LS7/LT4 SET OF 8
GM Lash Cap, LS7/LT4 SET OF 8
In Stock
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Description: For stock LS7 & LT4 heads
Item #: GMP-19302366
Condition: New
Price: $31.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS exhaust manifold gasket
GM LS exhaust manifold gasket
In Stock
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Description: LS Header/Exhaust Manifold Gasket
Item #: GMP-12617944
Condition: New
Price: $22.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS1/LS6 Cylinder Head Gasket
GM LS1/LS6 Cylinder Head Gasket
In Stock
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Description: OEM LS1/LS6 cylinder head gasket
Item #: GMP-12589226
Condition: New
Price: $45.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS2/LS6 Cylinder Head Gasket
GM LS2/LS6 Cylinder Head Gasket
In Stock
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Description: OEM LS2/LS6 cylinder head gasket
Item #: GMP-12589227
Condition: New
Price: $73.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS3 Cylinder Head Gasket
GM LS3 Cylinder Head Gasket
In Stock
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Description: OEM LS3 cylinder head gasket
Item #: GMP-12610046
Condition: New
Price: $102.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS3 Exhaust Valve
GM LS3 Exhaust Valve
In Stock
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Description: OEM GM LS3 Exhaust Valve
Item #: GMP-12582719
Condition: New
Price: $33.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS3 Intake Valve
GM LS3 Intake Valve
In Stock
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Description: OEM GM LS3 Intake Valve
Item #: GMP-12569427
Condition: New
Price: $59.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS3 Valve Spring Retainer
GM LS3 Valve Spring Retainer
In Stock
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Description: For LS2, LS3, and LS6 Engines
Item #: GMP-10166344
Condition: New
Price: $7.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS7 Cylinder Head Gasket
GM LS7 Cylinder Head Gasket
In Stock
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Description: OEM LS7 cylinder head gasket
Item #: GMP-12582179
Condition: New
Price: $75.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS7 exhaust manifold gasket
GM LS7 exhaust manifold gasket
Backordered
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Description: LS7 Only Header/Exhaust Manifold Gasket
Item #: GMP-12594171
Condition: New
Price: $54.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS7 Exhaust Valve
GM LS7 Exhaust Valve
In Stock
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Description: OEM GM LS7 Exhaust Valve
Item #: GMP-12618110
Condition: New
Price: $62.99
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GM - Gen 3/4 LS - Katech Engineering - GM LS9 Cylinder Head Gasket
GM LS9 Cylinder Head Gasket
In Stock
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Description: OEM LS9 cylinder head gasket
Item #: GMP-12622033
Condition: New
Price: $87.99
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GM - Gen 3/4 LS - Katech Engineering - GM Valve Lock
GM Valve Lock
In Stock
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Description: Sold in halves. 32 required per engine
Item #: GMP-10166345
Condition: New
Price: $3.99
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GM - Gen 3/4 LS - Katech Engineering - Install Bronze Valve Guides
Install Bronze Valve Guides
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Description: Install bronze valve guides
Item #: /S-BRONZEGUIDES
Condition: New
Price: $311.99
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LS1/Truck 241, 806, 853 Cylinder Heads (PAIR)
Katech CNC Porting LS1/Truck 241, 806, 853 Cylinder Heads (PAIR)
In Stock
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Description: CNC Porting Service
Item #: KAT-M4321
Condition: New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR)
Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR)
In Stock
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Description: CNC Porting Service
Item #: KAT-M7107
Condition: New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR)
Katech CNC Porting LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR)
In Stock
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Description: CNC Porting Service
Item #: KAT-M3835
Condition: New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LS3/L92/L99/L76 364, 5364 Cylinder Heads (PAIR)
Katech CNC Porting LS3/L92/L99/L76 364, 5364 Cylinder Heads (PAIR)
In Stock
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Description: CNC Porting Service
Item #: KAT-M7412
Condition: New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LS3/L92/L99/L76 821, 823, 716 Cylinder Heads (PAIR)
Katech CNC Porting LS3/L92/L99/L76 821, 823, 716 Cylinder Heads (PAIR)
In Stock
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Description: CNC Porting Service
Item #: KAT-M7028
Condition: New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LS7 8452 or LSX-LS7 Cylinder Heads (PAIR)
Katech CNC Porting LS7 8452 or LSX-LS7 Cylinder Heads (PAIR)
In Stock
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Description: CNC Porting Service
Item #: KAT-M6897
Condition: New
Price: $590.99
Sale: $499.99
Save: 15%
Save: $91.00
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LS7 or LSX-LS7 Combustion Chamber
Katech CNC Porting LS7 or LSX-LS7 Combustion Chamber
In Stock
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Description: CNC Chamber Porting Service
Item #: KAT-M7111
Condition: New
Price: $136.99
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GM - Gen 3/4 LS - Katech Engineering - Katech CNC Porting LSA/LS9 heads, 4863, 863 or 1771 Casting (PAIR)
Katech CNC Porting LSA/LS9 heads, 4863, 863 or 1771 Casting (PAIR)
In Stock
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Description: CNC Porting Service
Item #: KAT-M7090
Condition: New
Price: $561.99
Sale: $499.99
Save: 11%
Save: $62.00
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GM - Gen 3/4 LS - Katech Engineering - Katech Competition Assemble LS Cylinder Heads - Build Configuration: Customer Supplied Cam Spec's
Katech Competition Assemble LS Cylinder Heads - Build Configuration: Customer Supplied Cam Spec's
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Description: Service
Item #: /S-ASSEMBLE-CYL-CLS
Condition: New
Price: $177.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Competition Valve job & Cylinder Head Deburr
Katech Competition Valve job & Cylinder Head Deburr
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Description: Competition valve job
Item #: /S-VALVEJOB
Condition: New
Price: $427.99
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GM - Gen 3/4 LS - Katech Engineering - Katech H13 Tool Steel Extreme Duty Valve Spring Retainer
Katech H13 Tool Steel Extreme Duty Valve Spring Retainer
In Stock
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Description: Designed for use with PSI-LS1511 or PSI-LS1516 valve springs
Item #: KAT-7128
Condition: New
Price: $16.99
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GM - Gen 3/4 LS - Katech Engineering - Katech H13 Tool Steel Extreme Duty Valve Spring Retainer, Dual Spring
Katech H13 Tool Steel Extreme Duty Valve Spring Retainer, Dual Spring
In Stock
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Description: Designed for use with PSI-LS1512 or PSI-LS1513 dual valve springs
Item #: KAT-7715
Condition: New
Price: $16.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Hand Blend the Valve Job & Bowl Blending
Katech Hand Blend the Valve Job & Bowl Blending
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Description: Highly recommended when a competition valve job is added to our CNC porting
Item #: /S-HANDBLEND
Condition: New
Price: $161.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Lash Cap, LS7/LT4
Katech Lash Cap, LS7/LT4
In Stock
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Description: For stock LS7 & LT4 heads
Item #: KAT-4682
Condition: New
Price: $17.99
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GM - Gen 3/4 LS - Katech Engineering - Katech LS .650 Lift Beehive Spring Kit - Titanium
Katech LS .650 Lift Beehive Spring Kit - Titanium
In Stock
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Description: For most LS heads
Item #: KAT-A7753-TI
Condition: New
Price: $839.99
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GM - Gen 3/4 LS - Katech Engineering - Katech LS .650 Lift Beehive Spring Kit - Tool Steel
Katech LS .650 Lift Beehive Spring Kit - Tool Steel
Backordered
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Description: For all LS heads
Item #: KAT-A7753-TS
Condition: New
Price: $787.99
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GM - Gen 3/4 LS - Katech Engineering - Katech LS 243/799 Combustion Chamber Porting
Katech LS 243/799 Combustion Chamber Porting
In Stock
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Description: CNC Chamber Porting Service
Item #: KAT-M4470-R01
Condition: New
Price: $136.99
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GM - Gen 3/4 LS - Katech Engineering - Katech LS3 Combustion Chamber Porting
Katech LS3 Combustion Chamber Porting
In Stock
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Description: CNC Chamber Porting Service
Item #: KAT-M7112
Condition: New
Price: $136.99
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GM - Gen 3/4 LS - Katech Engineering - Katech LS7 Titanium/Molybdenum Exhaust Valve
Katech LS7 Titanium/Molybdenum Exhaust Valve
In Stock
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Description: For LS7 engines
Item #: KAT-6586-R01
Condition: New
Price: $224.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Spring Seat For Dual Spring Kits
Katech Spring Seat For Dual Spring Kits
In Stock
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Description: For LS heads with dual springs and OEM or most bronze guides
Item #: KAT-7536
Condition: New
Price: $8.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Spring Seat For Katech Old Style Bronze Guides
Katech Spring Seat For Katech Old Style Bronze Guides
In Stock
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Description: For LS heads with PSI springs and CHE shoulder style bronze guides
Item #: KAT-6545
Condition: New
Price: $8.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Spring Seat For OEM Guides
Katech Spring Seat For OEM Guides
In Stock
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Description: For LS & LT style heads with PSI springs and OEM guides
Item #: KAT-6687
Condition: New
Price: $8.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Spring Seat For OEM Guides .040
Katech Spring Seat For OEM Guides .040
In Stock
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Description: For LS heads
Item #: KAT-6749
Condition: New
Price: $8.99
Qty:

GM - Gen 3/4 LS - Katech Engineering - Katech Titanium Valve Spring Retainer
Katech Titanium Valve Spring Retainer
In Stock
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Description: For PSI LS1511 spring
Item #: KAT-4678
Condition: New
Price: $19.99
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GM - Gen 3/4 LS - Katech Engineering - Katech Titanium/Molybdenum Intake Valve
Katech Titanium/Molybdenum Intake Valve
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Description: For LS7 & LS9
Item #: KAT-
Condition: New
Price: $224.99

Items 1-60 of 154