fits  17-23 M8

Standard size replacement. Dimensions: 1.571″ head dia. x 0.2347″ stem dia. x 4.015″ overall length. KPMI valves are manufactured in the U.S.A. by a dedicated staff and personnel with hands-on experience in stock and high performance. Quality materials and the latest CNC and 3-D computer modelling equipment make sure each and every Kibblewhite Precision Machining valve train component is top of the line. All White Diamond valves are one-piece stainless steel forgings with a hard chrome finish.

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Home > Parts > Intake > KPMI, White Diamond valve, intake. STD

fits  17-23 M8

Hard Chrome finish. Standard size replacement with oversized head. Dimensions: 1.630″ head dia. x 0.2347″ stem dia. x 4.055″ overall length. KPMI valves are manufactured in the U.S.A. by a dedicated staff and personnel with hands-on experience in stock and high performance. Quality materials and the latest CNC and 3-D computer modelling equipment make sure each and every Kibblewhite Precision Machining valve train component is top of the line. All White Diamond valves are one-piece stainless steel forhgings with a hard chrome finish.

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Home > Parts > Intake > KPMI, White Diamond valve, intake. Oversize

fits  17-23 M8

Hard chrome finish. Standard size replacement. Dimensions: 1.264″ head dia. x 0.2342″ stem dia. x 4.050″ overall length. KPMI valves are manufactured in the U.S.A. by a dedicated staff and personnel with hands-on experience in stock and high performance. Quality materials and the latest CNC and 3-D computer modelling equipment make sure each and every Kibblewhite Precision Machining valve train component is top of the line. All White Diamond valves are one-piece Stainless Steel forgings with a hard chrome finish.

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Home > Parts > Engine > Top End > Valves > KPMI, White Diamond valve, exhaust. STD

fits  17-23 M8

Hard chrome finish. Standard size replacement with oversized head. Dimensions: 1.284″ head dia. x 0.2342″ stem dia. x 4.050″ overall length. KPMI valves are manufactured in the U.S.A. by a dedicated staff and personnel with hands-on experience in stock and high performance. Quality materials and the latest CNC and 3-D computer modelling equipment make sure each and every Kibblewhite Precision Machining valve train component is top of the line. All White Diamond valves are one-piece Stainless Steel forgings with a hard chrome finish.

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Home > Parts > Engine > Top End > Valves > KPMI, White Diamond valve, exhaust. Oversize

fits  17-23 M8

Inconel with hard chrome finish. Standard size replacement with oversized head. Dimensions: 1.284″ head dia. x 0.2342″ stem dia. x 4.050″ overall length. KPMI valves are manufactured in the U.S.A. by a dedicated staff and personnel with hands-on experience in stock and high performance. Quality materials and the latest CNC and 3-D computer modelling equipment make sure each and every Kibblewhite Precision Machining valve train component is top of the line. Inconel is a special heat resistant so-called ‘Superalloy’. By nature of the material it cannot be black nitrided so it is hard chromed. It has a superior heat resistancy against issues like exhaust valve stem bending, of OEM M8 exhaust valves, without impact. 6mm is thin especially when dealing with extremities as detonation, lean mixtures and poor timing curves. Inconel’s superior heat resistance will maintain its strength longer at higher temperatures, it is therefore used for the thin stems on M8 exhaust valves only.

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Home > Parts > Engine > Top End > Valves > KPMI, Inconel White Diamond valve, exhaust. Oversize

fits  17-23 M8

C630 bearing bronze is a tough nickel-aluminum-bronze alloy typically used in High Performance and racing applications where rapid heat transfer from the valve to head is important. Note: Standard non-oversize dimensions (for reference only) are 0.4750″ O.D. (12.07mm); .2347″ I.D. (5.96mm); 1.655″ OAL (42.04mm).

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Home > Parts > Intake > KPMI, intake valve guide, C630 bronze. +.010″

fits  17-23 M8

Forged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove ‘micro-welding’. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation, final tolerance will be 0.003″. The piston creates its own perfect tolerance during run-in, the coating automatically gives the tightest possible & perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 114/117″ M8 engines, cylinder must be bored to 4.125″ big bore size. Case boring is not required, OEM weight so rebalancing is not required and works with stock 4.500″ stroke. 10.9:1 CR. (with 88.6cc head volume). Piston weight: OEM. Piston pin weight 115gr., offset: 0.025″. Piston: +1.9cc/Flat top. Compression height: 1.083″. Ring pack: 1.2mm 1.2mm 3.0mm. Bore 4 1/8″ / Stroke stock 4.500″.

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Home > Parts > Engine > Top End > Pistons > KB, M8 114/117 to 120″ big bore conv. piston set. STD

fits  17-23 M8

Forged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove ‘micro-welding’. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation, final tolerance will be 0.003″. The piston creates its own perfect tolerance during run-in, the coating automatically gives the tightest possible & perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 114/117″ M8 engines, cylinder must be bored to 4.125″ big bore size. Case boring is not required, OEM weight so rebalancing is not required and works with stock 4.500″ stroke. 10.9:1 CR. (with 88.6cc head volume). Piston weight: OEM. Piston pin weight 115gr., offset: 0.025″. Piston: +1.9cc/Flat top. Compression height: 1.083″. Ring pack: 1.2mm 1.2mm 3.0mm. Bore 4 1/8″ / Stroke stock 4.500″.

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Home > Parts > Engine > Top End > Pistons > KB, M8 114/117 to 120″ big bore conv. piston set. +.010″

fits  17-23 M8

Forged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove ‘micro-welding’. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation, final tolerance will be 0.003″. The piston creates its own perfect tolerance during run-in, the coating automatically gives the tightest possible & perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 114/117″ M8 engines, cylinder must be bored to 4.125″ big bore size. Case boring is not required, OEM weight so rebalancing is not required and works with stock 4.500″ stroke. 10.9:1 CR. (with 88.6cc head volume). Piston weight: OEM. Piston pin weight 115gr., offset: 0.025″. Piston: +1.9cc/Flat top. Compression height: 1.083″. Ring pack: 1.2mm 1.2mm 3.0mm. Bore 4 1/8″ / Stroke stock 4.500″.

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Home > Parts > Engine > Top End > Pistons > KB, M8 114/117 to 120″ big bore conv. piston set. +.020″

fits  17-23 M8

Forged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove ‘micro-welding’. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation, final tolerance will be 0.003″. The piston creates its own perfect tolerance during run-in, the coating automatically gives the tightest possible & perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 114/117″ M8 engines, cylinder must be bored to 4.125″ big bore size. Case boring is not required, OEM weight so rebalancing is not required and works with stock 4.500″ stroke. 10.9:1 CR. (with 88.6cc head volume). Piston weight: OEM. Piston pin weight 115gr., offset: 0.025″. Piston: +1.9cc/Flat top. Compression height: 1.083″. Ring pack: 1.2mm 1.2mm 3.0mm. Bore 4 1/8″ / Stroke stock 4.500″.

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Home > Parts > Engine > Top End > Pistons > KB, M8 114/117 to 120″ big bore conv. piston set. +.030″