Showing 1–50 of 93 results
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KAT-4678 Titanium Valve Spring Retainer
SKU: KAT-4678For PSI LS1511 spring
Starting at: $16.80 Expected to Ship Next Business Day-
KAT-4682 Lash Cap, LS7
SKU: KAT-4682For stock LS7 heads
Starting at: $15.74 Expected to Ship Next Business Day-
KAT-6545 Spring Seat For Bronze Guides
SKU: KAT-6545For LS heads with PSI springs and CHE bronze guides
Starting at: $7.34 Expected to Ship Next Business Day-
KAT-6687 Spring Seat For OEM Guides
SKU: KAT-6687For LS heads with PSI springs and OEM guides
Starting at: $7.34 Expected to Ship Next Business Day-
KAT-6749 Spring Seat For OEM Guides .040
SKU: KAT-6749For LS heads
Starting at: $7.34 Expected to Ship Next Business Day-
KAT-7128 H13 Tool Steel Extreme Duty Valve Spring Retainer
SKU: KAT-7128Designed for use with PSI-LS1511 or PSI-LS1516 valve springs
Starting at: $14.69 Expected to Ship Next Business Day-
KAT-7481 Katech Valve Seal
SKU: KAT-7481Valve Seal
Starting at: $2.09 Expected to Ship Next Business Day-
KAT-7536 Spring Seat For Dual Spring Kits
SKU: KAT-7536For LS heads with dual springs and OEM or most bronze guides
Starting at: $7.34 Expected to Ship Next Business Day-
KAT-A6753 Gen 5 LT1 CNC Ported Cylinder Heads
SKU: KAT-A6753Pair
Starting at: $2,636.54-
KAT-A6969 Gen 5 LT4/LT5 CNC Ported Cylinder Heads
SKU: KAT-A6969Pair
Starting at: $3,849.99 Expected to Ship Next Business Day-
KAT-A7416 CNC Porting Bundle L83 Cylinder Heads (PAIR)
SKU: KAT-A7416CNC Chamber Porting Service, Valve Job, Hand-blending
Starting at: $1,049.99 Expected to Ship in 10 business days-
KAT-M3835 CNC Port LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR)
SKU: KAT-M3835CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
KAT-M4321 CNC Port LS1/Truck 241, 806, 853 Cylinder Heads (PAIR)
SKU: KAT-M4321CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
KAT-M6753-LT1 CNC Port Gen 5 LT1/L86 Cylinder Heads (PAIR)
SKU: KAT-M6753-LT1CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
KAT-M6753-LT4 CNC Port Gen 5 LT4/LT5 Cylinder Heads (PAIR)
SKU: KAT-M6753-LT4CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
KAT-M6897 CNC Port LS7 8452 or LSX-LS7 Cylinder Heads (PAIR)
SKU: KAT-M6897CNC Porting Service
Starting at: $524.99 Expected to Ship in 10 business days-
KAT-M7028 CNC Port LS3/L92/L99/L76 821, 823, 716 Cylinder Heads (PAIR)
SKU: KAT-M7028CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
KAT-M7090 CNC Port LSA/LS9 heads
SKU: KAT-M7090CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
KAT-M7107 CNC Port LS1/Truck 862, 706 Cylinder Heads (PAIR)
SKU: KAT-M7107CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
KAT-M7110 CNC Port LT4/LT5 Combustion Chamber
SKU: KAT-M7110Katech CNC Machining Service
Starting at: $127.05-
KAT-M7111 CNC Port LS7 or LSX-LS7 Combustion Chamber
SKU: KAT-M7111CNC Chamber Porting Service
Starting at: $121.00 Expected to Ship in 10 business days-
KAT-M7115 CNC Machine LT4 Supercharger Bolt Holes Into LT1/L83/L86 Heads
SKU: KAT-M7115Katech CNC Machine Service
Starting at: $157.50-
KAT-M7412 CNC Port LS3/L92/L99/L76 364, 5364 Cylinder Heads (PAIR)
SKU: KAT-M7412CNC Porting Service
Starting at: $499.99 Expected to Ship in 10 business days-
Katech LTK Gen 5 Cylinder Heads
Maximum performance
Starting at: $2,519.99 – $7,349.99 Contact us for expected delivery-
PSI High Lift Valve Springs
SKU: PSI-LS1511High lift valve springs for all LS & LT engines.
Starting at: $16.99 Expected to Ship Next Business Day-
PSI High Lift Valve Springs
SKU: PSI-LS1516High lift valve springs for all LS & LT engines.
Starting at: $20.99 Expected to Ship Next Business Day-
Assemble HEMI Cylinder Heads
SKU: /S-ASSEMBLE-CYL-HEMIKatech service
Starting at: $143.85-
Assemble LT1 Cylinder Heads
SKU: /S-ASSEMBLE-CYL-LT1Assemble LT1 cylinder heads (2)
Starting at: $92.14-
Assemble LT4 Cylinder Heads
SKU: /S-ASSEMBLE-CYL-LT4Assemble LT4 cylinder heads (2)
Starting at: $92.14-
Competition Assemble of LT1 Cylinder Heads – Build Configuration: Customer Supplied Cam Spec’s
SKU: /S-ASSEMBLE-CYL-CLT1Katech Service
Starting at: $157.49-
Competition Assemble of LT4 Cylinder Heads – Build configuration: Customer Supplied Cam Spec’s
SKU: /S-ASSEMBLE-CYL-CLT4Katech Service
Starting at: $157.49-
Custom Logo Engraving For LT Cylinder Heads
SKU: /S-CUSTOMENGRAVE-CYLHDFor Gen 5 LT cylinder heads only
Starting at: $0.01-
Custom Logo Engraving Setup Fee For LT Cylinder Heads
SKU: /S-ENGRAVINGSETUPOne-time fee to program and proof a new logo for engraving
Starting at: $157.50-
Exhaust Valve Seal
SKU: GMP-12457652Seal-only style
Starting at: $3.56 Expected to Ship Next Business Day-
Exhaust Valve Seal
SKU: GMP-12482062Seal/seat combination style, pack of 8 for singles use 12645472
Starting at: $37.79-
Ferrea Stainless Steel Exhaust Valve
Gen 3/4 Stainless steel exhaust valve
Starting at: $26.24 Expected to Ship Next Business Day-
Ferrea Stainless Steel Intake Valve
Gen 3/4 Stainless steel intake valve
Starting at: $26.24 Contact us for expected delivery-
Inconel LS3 Exhaust Valve
SKU: GMP-12612427OEM GM Inconel LS3 Exhaust Valve
Starting at: $31.49 Expected to Ship Next Business Day-
Intake Valve Seal
SKU: GMP-12533586Seal-only style
Starting at: $3.35 Expected to Ship Next Business Day-
Intake Valve Seal
SKU: GMP-12482063Seal/seat combination style, set of 8 for singles use 12645673
Starting at: $33.59-
KAT-6924 Spring Seat For LT4 (Intake)
SKU: KAT-6924For LT4 heads
Starting at: $7.34 Expected to Ship Next Business Day-
KAT-6928 Titanium Valve Spring Retainer For LT4 (Intake)
SKU: KAT-6928For LT4 heads
Starting at: $16.80 Contact us for expected delivery-
KAT-6931 Spring Seat For LT4 (Exhaust)
SKU: KAT-6931For LT4 heads
Starting at: $7.34 Contact us for expected delivery-
KAT-7119 H13 Tool Steel Extreme Duty Valve Spring Retainer for LT4 Intake
SKU: KAT-7119Designed for use with PSI-1511 valve springs
Starting at: $14.69 Expected to Ship Next Business Day-
KAT-7484 Katech/Ferrea Super Alloy LT1/LT4/LT5 Exhaust Valve
SKU: KAT-7484Super Alloy
Starting at: $54.93 Expected to Ship Next Business Day-
KAT-7486 Titanium/Molybdenum Intake Valve
SKU: KAT-7486For LT4/LT5
Starting at: $199.49 Expected to Ship Next Business Day-
KAT-A7229 CNC Porting Bundle LS1/Truck 241, 806, 853 Cylinder Heads (PAIR) With 2.00″/1.55″ Valves
SKU: KAT-A7229CNC Porting Service, Valve Job, Hand-blending, New Valve
Starting at: $1,187.54 Expected to Ship in 10 business days-
KAT-A7230 CNC Porting Bundle LS1/Truck 862, 706 Cylinder Heads (PAIR) With 2.00″/1.55″ Valves
SKU: KAT-A7230CNC Porting Service, Valve Job, Hand-blending, Big Valves
Starting at: $1,187.54 Expected to Ship in 10 business days-
KAT-A7232 CNC Porting Bundle LS7 8452 Or LSX-LS7 Cylinder Heads (PAIR) With Bronze Guides, Valves
SKU: KAT-A7232CNC Porting Service with Bronze guides, Ti/Mo Intake/Exhaust Valves
Starting at: $4,499.99 Expected to Ship in 10 business days-
KAT-A7266 CNC Porting Bundle LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR)
SKU: KAT-A7266CNC Porting Service
Starting at: $999.99 Expected to Ship in 10 business days-
