Cosworth YB engine build packages
From original-spec rebuilds to fully uprated high-performance packages, we offer Cosworth YB engine builds tailored for road, fast road and serious power goals.
OEM Spec
PJM Spec
OEM SPEC
Engine rebuild to original manufacturer specification.
- Mahle Motorsport bearings
- Mahle pistons
- ARP con rod bolts
- High-pressure oil pump
- Genuine Cosworth head gasket
- Reconditioned cylinder head
Rebuilt turbo included.
£8,200
Looking for more power?
Explore our uprated engine build packages designed to help you reach your power goals.
450 BHP
Fast Road
Built to Order
PJM450
Fast road engine build for responsive road and track performance.
Core Specification
- Mahle Motorsport bearings
- Mahle pistons
- ARP con rod bolts
- High-pressure oil pump
- Genuine Cosworth head gasket
Reconditioned cylinder head plus optional camshaft, turbo and injector upgrades available.
From
£11,100
550 BHP
Race Spec
Built to Order
PJM550
Race-spec engine build engineered for high-performance use up to 550 bhp.
Core Specification
- 6 long stud block conversion
- Mahle Motorsport bearings
- ARP con rod bolts
- High-pressure oil pump
- Genuine Cosworth steel head gasket
Ported cylinder head, Hart Power inlet plenum, Group A spec cams, plus turbo and manifold options available.
Price
POA
650 BHP
Ultimate Spec
Built to Order
PJM650
Ultimate-spec engine build designed for serious high-performance applications up to 650 bhp.
Core Specification
- 10 long stud block conversion
- WRC oil spray jets
- Cosworth Racing high-compression pistons
- Arrow con rods
- High-pressure oil pump
Genuine Cosworth steel head gasket, ported cylinder head, Hart Power inlet plenum, Group A spec cams, plus turbo and manifold options available.
Price
POA
PJM450
Fast road engine build for responsive road and track performance.
- Mahle Motorsport bearings
- Mahle pistons
- ARP con rod bolts
- High-pressure oil pump
- Genuine Cosworth head gasket
Reconditioned cylinder head plus optional camshaft, turbo and injector upgrades available.
£11,100
PJM550
Race-spec engine build engineered for high-performance use up to 550 bhp.
- 6 long stud block conversion
- Mahle Motorsport bearings
- ARP con rod bolts
- High-pressure oil pump
- Genuine Cosworth steel head gasket
Ported cylinder head, Hart Power inlet plenum, Group A spec cams, plus turbo and manifold options available.
POA
PJM650
Ultimate-spec engine build designed for serious high-performance applications up to 650 bhp.
- 10 long stud block conversion
- WRC oil spray jets
- Cosworth Racing high-compression pistons
- Arrow con rods
- High-pressure oil pump
Genuine Cosworth steel head gasket, ported cylinder head, Hart Power inlet plenum, Group A spec cams, plus turbo and manifold options available.
POA
Other Engine Builds
Alongside our existing engine builds, we can also build and develop a wide range of other engines to suit different performance goals, budgets, and applications. Whether it’s a fast-road setup, a track-focused build, or a fully bespoke high-power engine package, we can work with you to create a reliable, tailored solution built around your requirements.
