SKU: 25-TSP454XTK700 Category:

700 Horsepower 454 CID LSx Based

Please call 435-628-4300 to find out about options and upgrades and to place your order.

For maximum naturally aspirated horsepower, there’s nothing that beats the cubic inches of the LSX 454. Thia engine is dynoed at 700hp, has an aggressive idle and requires a minimum 2,800 RPM stall converter.

GMPP LSx Iron Engine Block
K1 Technologies Forged 4340 4.125″ Stroke Crankshaft
K1 Technologies Forged 6.125″ Connecting Rods
Wiseco 4.185″ Forged Piston Set with Steel Top/Napier 2nd Ring Set
11.45:1 Compression Ratio
Precision Race Components 285cc Aftermarket 6-Bolt LS7 Cylinder Heads with PRC EHT Dual Valve Spring Kit with Titanium Retainers
Texas Speed & Performance Custom-Grind Hydraulic-Roller Camshaft
Texas Speed & Performance Hardened Pushrods
ARP 12-Point Head Stud Kit for 6-Bolt Cylinder Heads
Cometic MLS 6-Bolt Cylinder Head GasketsGM Rocker Arms with Comp Cams Trunion Upgrade Kit
Full ARP Hardware: Side Main Cap Bolts, Cam Bolts, Intake Manifold Bolts, Timing Cover Bolts, Rear Cover Bolts, Valley Cover Bolts, & Flexplate/Flywheel Bolts
Texas Speed Billet Aluminum Center-Bolt Valve Covers
Remote Coil Pack Relocation Mounts for a Clean Look Under the Hood
GM Hot Rod Oil Pan Kit as Standard
GM LS7 Intake Manifold Assembly: Includes Manifold, Fuel Rail, Fuel Injectors, and GM LS7 Electronic Throttle Body
GM Throttle Pedal
Complete GM Sensors
New Ignition Coil Packs
MSD Universal Cut-to-Fit LS1 Spark Plug Wire Kit
NGK Spark Plugs
Custom-Built Engine Wiring Harness Built Specific for Your Application (Can Include Necessary Wiring to Control An Electronic Transmission, Such as the 4L60E, 4L65E, 4L70E, and Even the 6-Speed Auto 6L80E For No Additional Charge!)
TSP Programmed ECM Specific for Your Setup (Automatic Trans Setups Will Include a Tuned TCM For No Additional Charge!)
GM Front Oxygen Sensors
GM Mass Air Flow Sensor
GM Starter
12 Quarts of Joe Gibbs Break-In Oil
AC Delco Oil Filter
GM Flywheel or Flexplate

Please call 435-628-4300 to find out about options and upgrades and to place your order.


An additional charge of $535 will be added on to your order for crating fee, engine cradle, and truck freight shipping.