engine package header

Engine Packages

Torquer LS3

Bore: 4.065”

Stroke: 3.622”

Displacement: 376ci/6.2L

Horsepower: 540

Torque: 470

Redline: 6600RPM

CR: 10.7:1

Block: LS3 aluminum

Crankshaft: LS3 cast iron

Connecting rods: LS3 forged powdered metal with Katech rod bolts

Pistons: LS3 cast hypereutectic aluminum

Camshaft: Torquer LS3

Cylinder heads: CNC-ported LS3

Valves: LS3 hollow stem intake, solid exhaust

Induction: LS3

Oiling system: Camaro oil pan, wet sump with Katech oil pump

Accessories: Camaro water pump and damper, Katech tensioner

Price: $9,516

 

Value 427 LS3 short block

Bore: 4.070”

Stroke: 4.100”

Displacement: 427ci/7.0L

Horsepower: 0

Torque: 0

Redline: 6800RPM

CR: 11.0:1

Block: LS3 aluminum

Crankshaft: 4340 forged steel

Connecting rods: Forged H-beam

Pistons: 2618 Forged aluminum

Camshaft: not included

Cylinder heads: not included

Valves not included

Induction: not included

Oiling system: not included

Price: $5,999.99

 

 

Value 427 LS3

Bore: 4.070”

Stroke: 4.100”

Displacement: 427ci/7.0L

Horsepower: 580

Torque: 560

Redline: 6800RPM

CR: 11.0:1

Block: LS3 aluminum

Crankshaft: 4340 forged steel

Connecting rods: Forged H-beam

Pistons: 2618 Forged aluminum

Camshaft: Katech value 427 spec with Cadillac Racing Lifters

Cylinder heads: CNC-ported LS3

Valves: LS3 hollow stem intake, LS3 solid exhaust

Induction: LS3

Oiling system: Camaro oil pan, wet sump with Katech oil pump

Accessories: Camaro water pump and damper, Katech tensioner

Price: $17,000

 

Motorsports 550 Engine

Bore: 4.065”

Stroke: 3.622”

Displacement: 376ci/6.2L

Horsepower: 550

Torque: 560

Redline: 6600RPM

CR: 10.7:1

Camshaft: Katech 550 spec, GM Racing lifters

Oiling system: ARE 3 stage dry sump

Accessories: Camaro water pump, ATI damper, Katech tensioner

Price: $18,499

 

Street Attack LS7

Bore: 4.125”

Stroke: 4.000”

Displacement: 427ci/7.0L

Horsepower: 630-660

Torque: 565-575

Redline: 7000RPM

CR: 11.4:1

Block: LS7 aluminum, billet main caps

Crankshaft: 4140 forged steel

Connecting rods: Powdered metal titanium, rebushed with bronze bushing

Pistons: 4032 forged aluminum

Camshaft: K501, Torquer LS7 110 or 116LA, Cadillac Racing lifters, C5-R chain

Cylinder heads: CNC-ported LS7

Valves: Titanium intake, hollow sodium filled exhaust

Induction: FAST LSXR 102mm

Oiling system: LS7 dry sump

Price: $27,233

 

Street Attack 500

Bore: 4.165”

Stroke: 4.600”

Displacement: 502ci/8.2L

Horsepower: 685-730

Torque: 685

Redline: 6200RPM

CR: 11.4:1

Block: RHS aluminum with billet main caps, ARP studs, piston squirters

Crankshaft: Forged 4340 steel

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum with DLC-coated pins

Camshaft: Street Attack 500

Cylinder heads: CNC-ported LS7

Valves: LS7 titanium intake, hollow sodium-filled exhaust

Induction: FAST LSXR 102mm

Oiling system: Stock LS7 with Katech pump, optional ARE Stage 3 dry sump

Price: $34,768

 

Track Attack 427

Bore: 4.125”

Stroke: 4.000”

Displacement: 427ci/7.0L

Horsepower: 660

Torque: 570

Redline: 7000RPM

CR: 12.0:1

Block: RHS aluminum with billet main caps, ARP studs, piston squirters

Crankshaft: 4340 forged steel with ATI damper

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum, hardcoat anodized, skirt coating, gas porting and DLC-coated pins

Camshaft: K501

Cylinder heads: CNC-ported LS7 with bronze valve guides, ARP studs

Valves: Katech titanium/molybdenum intake and exhuast

Induction: FAST LSXR 102mm

Oiling system: ARE Stage 3 with Katech HCS/HCP (red) pump

Price: $34,363

 

 

Track Attack 463

Bore: 4.165”

Stroke: 4.250”

Displacement: 463ci/7.6L

Horsepower: 700

Torque: 650

Redline: 7000RPM

CR: 13.0:1

Block: RHS aluminum, billet main caps, ARP studs, piston squirters

Crankshaft: 4340 forged steel with ATI damper

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum, hardcoat anodized, skirt coating, gas porting and DLC-coated pins

Camshaft: Katech Track Attack 472 spec

Cylinder heads: CNC-ported LS7 with bronze valve guides, ARP studs

Valves: Katech titanium/molybdenum intake, hollow sodium-filled exhaust

Induction: FAST LSXR 102mm

Oiling system: ARE or Dailey 5 stage

Price: $36,397

 

Track Attack 500

Bore: 4.165”

Stroke: 4.600”

Displacement: 502ci/8.2L

Horsepower: 812

Torque: 775

Redline: 6200RPM

CR: 14.0:1

Block: RHS aluminum, billet main caps, ARP studs, piston squirters

Crankshaft: 4340 forged steel with ATI damper

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum, hardcoat anodizing, skirt coating, gas porting, and DLC-coated pins

Camshaft: Desert Attack 500-spec solid roller, Jesel lifters and rockers

Cylinder heads: CNC-ported All-Pro with bronze valve guides, ARP studs

Valves: Katech titanium/molybdenum intake, hollow sodium-filled exhaust

Induction: Kinsler vertical with 8 individual throttle bodies

Oiling system: Dailey 5 stage

Price: $60,000

 

Air Attack LS7 SC

Bore: 4.125”

Stroke: 4.000”

Displacement: 427ci/7.0L

Horsepower: up to 1000

Torque: up to 1000

Redline: 7000RPM

CR: 10.0:1

Block: RHS aluminum with billet main caps, ARP studs, piston squirters

Crankshaft: Forged 4340 steel

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum with DLC-coated pins

Camshaft: Air Attack LS7 SC-spec

Cylinder heads: LS7 with ARP studs, bronze valve guides

Valves: Katech titanium/molybdenum intake, hollow sodium filled exhaust

Induction: Procharger D1 with LS7 intake or Whipple 2.9L

Oiling system: Stock LS7

 

 

Air Attack LS7 TT

Bore: 4.125”

Stroke: 4.000”

Displacement: 427ci/7.0L

Horsepower: up to 1200

Torque: up to 1000

Redline: 7000RPM

CR: 9.0:1

Block: LSX or RHS aluminum with billet main caps, ARP studs, piston squirters

Crankshaft: Forged 4340 steel

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum with DLC-coated pins

Camshaft: Air Attack LS7 TT-spec

Cylinder heads: LS7 with ARP studs, bronze valve guides

Valves: Katech titanium/molybdenum intake, inconel exhaust

Induction: APS Twin Turbo to LS7 intake

Oiling system: Stock LS7

 

LS9.R

Bore: 4.070”

Stroke: 4.000”

Displacement: 416ci/6.8L

Horsepower: 628

Torque: 551

Redline: 7000RPM

CR: 12.5-13.0:1

Block: LS9 with billet main caps, ARP studs, piston squirters

Crankshaft: Forged 4340 steel

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum with DLC-coated pins

Camshaft: LS9.R, high speed lifters

Cylinder heads: LS9 with 12mm head studs and bronze valve guides

Valves: Katech titanium/molybdenum intake, hollow sodium-filled exhuast

Induction: FAST LSXR102mm

Oiling system: ARE or Dailey 5 stage

Price: $26,000

 

Hot Rod LS3

Bore: 4.065”

Stroke: 3.622”

Displacement: 376ci/6.2L

Horsepower: 550

Torque: 480

Redline: 6600RPM

CR: 10.7:1

Block: LS3 aluminum

Crankshaft: LS3 cast iron

Connecting rods: LS3 forged powdered metal with Katech rod bolts

Pistons: LS3 cast hypereutectic aluminum

Camshaft: Torquer LS3

Cylinder heads: CNC-ported LS3

Valves: LS3 hollow stem intake, solid exhaust

Induction: Single plane with Holley carburetor

Oiling system: Camaro oil pan, wet sump, Katech oil pump

Accessories: Camaro water pump and damper, Katech tensioner

Price: $10,687

 

Hot Rod LSX 454

Bore: 4.220”

Stroke: 4.100”

Displacement: 459ci/7.5L

Horsepower: 700

Torque: 580

Redline: 6800RPM

CR: 11.0:1

Block: LSX iron with billet main caps

Crankshaft: Forged 4340 steel

Connecting rods: Forged H-beam steel

Pistons: 2618 forged aluminum

Camshaft: GM Stage 3

Cylinder heads: CNC-ported LS3

Valves: LS3 hollow intake, solid exhaust

Induction: Single plane cast aluminum manifold with Holley 850cfm carburetor

Oiling system: Wet sump with Katech oil pump

(includes MSD ignition box and harness to install in any hot rod)

Price: $20,999

 

 

Disclaimer: Prices are to be used as a guide. Variations on packages and options will affect price. Prices are subject to change at any time. All engines are quoted specifically for that project. For a detailed quote, please email jason@katechengines.com