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Reduced price! Pistons forgés 1.8L 16v 18K4F Rover MG View larger

Forged pistons 1.8 16v 18K4F Rover/MG

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Forged pistons 1.8 16v 18K4F: spec table, OEM values (80 mm, CR 10.5:1, pin 18 mm, CH 23.8), Rover/MG/Freelander & Lotus Elise S1 118 compatibility, vehicles & OEM refs.

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  • Specifications of the forged pistons offered by NSB Concept for Rover / MG / Lotus 1.8 L 16 V K-Series (engine code 18K4F) :

    ReferenceOEM Bore
    80,00 mm    		OEM CR
    10,5 :1    		OEM Pin
    18 mm    		Height OEM Pin
    23,80 mm    		RangeCoatingAluminiumForgingDomeWeightRings
    K9222DA80.012:11823.8WossnerNCNCRound1.2NC800XDS
    K9222D05080.512.1:11823.8WossnerNCNCRound1.2NC805XDS
    K9222D10081.012.3:11823.8WossnerNCNCRound1.2NC810XSY


    Compatibility (engine codes):

    • 18K4F — 1.8 L 16v K-Series non-VVC (Rover / MG / Land Rover Freelander I / Lotus Elise S1 118).
    • Note : Elise S1 111S = engine VVC 18K4K (143 hp), non affected by this kit 18K4F.


    Original vehicles equipped with the 18K4F :

    BrandModelEngine codePowerYears
    Land RoverFreelander I (LN) 1.8 i 16V18K4F117 hp1998 – 2006
    LotusElise S118K4F118 hp1996 – 2001
    MGF (RD) 1.8i 12018K4F120 hp1995 – 2002
    MGTF 12018K4F120 hp2002 – 2009
    MGZR 12018K4F115 hp2001 – 2005
    MGZS 12018K4F120 hp2001 – 2005
    MGZT 12018K4F120 hp2001 – 2005
    Rover200 (R3) 218 16v18K4F118–120 hp1995 – 1999
    Rover25 (RF) 1.8 16v18K4F117 hp1999 – 2005
    Rover400 / 45 1.8 16v18K4F117 hp1997 – 2005
    RoverStreandwise 1.8 Stepspeed18K4F117 hp2003 – 2005
    Rover75 1.8 16v18K4F120 hp1999 – 2005


    OEM piston references :

    • Rover / MG 1.8 K-Series non-VVC (18K4F): LFL000790 (piston & connecting rod assembled), LFL103580 (piston + rings). possible references equivalents depending on model years.
      Land Rover Freelander I 1.8 (18K4F): LFL103580 (piston + rings), LFL000790 (piston & connecting rod).
      Lotus Elise S1 118 (18K4F): original pistons supplied via MG Rover (same base K-Series) — confirm the exact reference in the Lotus EPC depending on VIN; the model 111S (VVC) uses the engine 18K4K (references specific).

    Warning: Before installation, please verify the integrity and conformity of each component of the piston kit as well as the correctness of the assembly in the engine; any warranty is strictly limited to the parts included in the piston kit.