Merry Christmas, HTP are closed until the 5th January 2026

LS1 Engine

The Holden LS1 engine is a 5.7-liter pushrod V8 petrol engine, also known as the "Generation III" engine, developed by General Motors and used in Holden and HSV vehicles from 1999 to 2006. It's an all-aluminium engine known for its power and is popular among car enthusiasts for its performance and tunability. It replaced the older Holden 5.0L V8 in the VT Series II Commodores and other models.

Engine Specifications:
The LS1 has a 5.7-liter (5665 cc) displacement, with 99.0 mm bores and 92.0 mm stroke. 

Holden Models:
The LS1 was used in a variety of Holden models, including the Commodore (VT II, VX, VY, VZ), Calais, Statesman, and Caprice. 

Power Output:
The power output of the LS1 varied slightly across different models and years, starting around 220kW (295hp) in the VT II and increasing to 235kW (315hp) in the VZ before being replaced by the 6.0L Gen IV V8. 

46 products
  • Forced Induction Blower Spacer Plates LS1/LS2
    $660.00
    $660.00
  • Forced Induction 10mm LSA Supercharger Lid Spacer
    $715.00
    $715.00
  • Forced Induction 20mm LSA Supercharger Lid Spacer
    Sold out
    $764.50
  • BTR Premium LS & LT Rocker Arm Trunnion Kit - TK002
    $289.00
    $289.00
  • Mahle Clevite H Series Main Bearing Set, Standard, Suit GM LS Series Engines
    $239.40
    $239.40
  • Callies Compstar LS / LSX - 8 Counterweight Crankshaft 4.000
    $2,750.00
    $2,750.00
  • ARP Main Stud Kit Suit Chevrolet / Holden LS Gen III LS1 / LS2 / LS3 / LS7 / GMPP / LSX
    $658.90
    $658.90
  • ACL Race Series Conrod Bearing Suit LS1, LS2, LS3, LS7, LSA V8 Engine, Small Block Chev 262-350ci
    $145.00
    $145.00
  • ACL Race Series Main Bearing Set Suit LS1, LS2, LS3, LS7, LSA Engine
    $198.00
    $198.00
  • CHE Precision Shaft Mount LS Trunnion Kit – LS1
    $745.00
    $745.00
  • ARP Head Bolt Kit Suit LS1 Series small block, Different Length Bolts (up to 2004)
    $467.50
    $467.50
  • Melling Performance GM LS High Volume / High Pressure (or standard) Oil Pump Suit LS1 5.7L, LS2 6.0L, LS3 6.2L
    $474.32
    $474.32
  • Genuine GM LS Oil Pan / Sump Gasket, Suit LS Engines
    $110.00
    $110.00
  • ACL Camshaft Bearings Suit LS1, LS2, LS3, LS7, LSA V8 Engine
    $75.00
    $75.00