Skip to content
Search
Home
Heads
CNC Cylinder Heads
Cylinder Head Packages
Camshafts
Cam Gears
Valves
Valve Springs
Head Accessories
Engine
Complete Engines
Short Blocks
Connecting Rods
Pistons
Stroker Kits
Crankshafts
Oil System
Timing Chain
Engine Accessories
Induction & Header
Chassis
Tools
Merch
Clutch
K20C Type R
Engine K20C1
Drivetrain K20C1
Turbo K20C1
Fuel K20C1
K24Z R40
Midget
Tech Articles
Contact
Account
Site navigation
Search
Search
Cart
Menu
Site navigation
Home
Heads
Heads
All
CNC Cylinder Heads
Cylinder Head Packages
Camshafts
Cam Gears
Valves
Valve Springs
Head Accessories
4P B-Series RACE CASTING Cylinder Head *PREORDER*
Regular price
$2,900
Sale price
$300
Sale
View
4P Kingpin Turbo K-Series Race Head
Regular price
$3,200
View
4P REAPER CNC Cylinder Head
Regular price
$3,100
View
Engine
Engine
All
Complete Engines
Short Blocks
Connecting Rods
Pistons
Stroker Kits
Crankshafts
Oil System
Timing Chain
Engine Accessories
K24-K320 2.4L Complete Engine - no core required
Regular price
$9,950
View
K24-KT750 2.4L Complete TURBO Engine - no core required
Regular price
$9,950
View
K24-K340 2.4L Complete Engine - STREET PERFORMANCE
Regular price
$9,950
View
Induction & Header
Chassis
Tools
Merch
Clutch
K20C Type R
K20C Type R
All
Engine K20C1
Drivetrain K20C1
Turbo K20C1
Fuel K20C1
4P K20C1 Type R Head Studs
Regular price
$210
Sale price
$199
Sale
View
4P TR2 Drop-In Camshafts - K20C1 Type R
Regular price
$1,500
Sale price
$1,300
Sale
View
Ferrea Valve Spring Kit K20C1 Honda Civic Type R
Regular price
$975
Sale price
$850
Sale
View
Ferrea Competition Plus Valves (K20C1 Type R)
Regular price
$530
View
K24Z R40
Midget
Tech Articles
Contact
Account
Item added to cart.
View cart and check out
.
Close
Close
Fill Your Cart, Use Discount Code 4PISTON at Checkout.Discounts are already applied to Black Friday specials
Close
Complete Engines
Complete engines designed by 4 Piston for the best power and performance, and assembled with precision by 4P engine builders.
Filter by
All
Complete Engine
Engine K20C1
Honda (B Series)
Honda (K Series)
Honda (S2000)
K20C1
K20C1 Engine
K24Z R40
K24Z7
R40
Sort by
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
K24-K320 2.4L Complete Engine - no core required
Regular price
$9,950
View
K24-KT750 2.4L Complete TURBO Engine - no core required
Regular price
$9,950
View
K24-K340 2.4L Complete Engine - STREET PERFORMANCE
Regular price
$9,950
View
K24-K360 2.5L Complete Engine - STREET PERFORMANCE
Regular price
$11,400
View
K20-K330 2.0L Complete Engine - ROAD RACE / RALLY
Regular price
$12,615
View
K24-K400 2.5L Complete Engine - ROAD RACE / RALLY
Regular price
$12,615
View
K20-KT1000 2.1L Complete Engine - Turbo Endurance Engine
Regular price
$12,235
View
K24-KT1000 2.4L Complete Engine - Turbo Endurance Engine
Regular price
$12,235
View
K20-KT1200 2.1L Complete Engine - SFWD Turbo Race Engine
Regular price
$13,445
View
K24-KT1200 2.4L Complete Engine - SFWD Turbo Race Engine
Regular price
$13,445
View
K24-K440 2.5L Complete Engine - DRAG RACE Super99
Regular price
$13,500
View
K24-K480 2.7L Complete Engine - DRAG RACE
Regular price
$18,100
View
K24-K450 REAPER 2.5L Complete Engine - DRAG RACE *2024 spec*
Regular price
$18,100
View
K24Z 9th GEN 2.4L Complete Engine - 300hp All Motor
Regular price
$10,500
View
K24Z 9th GEN 2.5L Complete Engine - 330hp All Motor
Regular price
$11,800
View
K24Z-KT1000 9th GEN 2.4L Complete Engine - Turbo Endurance Engine
Regular price
$11,400
View
4P 2.0L K20C1 Race Engine *Stage 1*
From
$7,550
View
4P 2.0L K20C1 Race Engine *Stage 3*
From
$9,800
View
4P 2.0L K20C1 Race Engine *Stage 4*
From
$11,400
View
B-Series Turbo Basic Street Engine
From
$9,500
View
1
2
→
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device