Engine Internals

Piston Machining Service for VAG 1.6 & 2.0 16v TDI PD, PPD & Common Rail Pistons Darkside Developments are able to custom machine your pistons to allow for higher lift cams and lowered compression. Lowered compression is vital if you are...

Uprated ARP Rod Bolts for 2.7 / 3.0 TDI Engines These ARP rods bolts are a common upgrade that can be used with the standard conrods on the 2.7 / 3.0 TDI engines Size: M8x1x50 This Kit Consists of the...

Injector Bolt Kit for Mk7 Platform Vehicles Genuine Injector Bolts for Mk7 Platform 2.0 TDI CR Engines This is a kit containing x2 Bolts Fitment Data This item will fit...

Uprated ARP Rod Bolts for 1.9, 1.6 & 2.0 TDI PD, PPD & CR Engines These ARP rods bolts are a common upgrade that can be used with the standard conrods on all big and small journal TDi engines This kit...

New Common Rail / PD Oil Squirter Spray Jet - 038103157C / 038103157B These oil squirters are an essential upgrade for big power VE engine builds The larger jets allow more oil to squirt up under the piston to offer maximum cooling To install these the...

Genuine 12.9 Mains Bolts for MK7 TDI Engines These are the Genuine 12.9 Grade Mains Bolts which are used to secure the crank caps, holding the crankshaft in the block. These bolts are unavailble to purchase from VW for the Mk7 Platform...

Genuine Rod Bolts for 1.9 TDI 8v & 2.0 TDI 16v (Set of 8) These rods bolts can be used with the standard Con Rods on all Big Journal TDi engines PLEASE NOTE! - There are two types of rods and rods bolts so please check before...

 Piston Ring Set for 81mm 2.0 TDi 8v PD BHW / BGW / BVH / BRT Engines This is a new piston ring set for the 81mm Pistons found in the 2.0 TDi PD Engines We also offer 0.25 and 0.5 oversize piston rings. Choose from the options above VW Part...

 Piston Ring Set for 81mm 2.0 TDi 16v PD BMM / BPW Engines This is a new piston ring set for the 81mm Pistons found in the 2.0 TDi PD Engines We also offer 0.25 and 0.5 oversize piston rings. Choose from the options above VW Part...

VW Complete 2.5 TDI Complete Thrust Bearing Kit These Thrust Bearings should be replaced when changing the Rod Bearings, there are 2 for each middle cylinder (4 in total) This Kit consists of: VW Part Number 026 198 421 - 026198421 This will fit the...

VW Complete 2.5 TDI Crankshaft Mains Bearing Kit This Kit consists of Crankshaft Lower and Upper Bearing Shells This Kit consists of: Rod Lower Bearing Shells  070 105 591 B - 070105591 B  - 070105591B Rod Upper...

VW Complete 2.5 TDI Rod Bearing Kit / Big End Sputter Bearing Kit On the conrod bearing, the sputter bearing is usually fitted at the conrod side (top). On the main bearing, the lower half is sputtered This Kit consists...