{"product_id":"yella-terra-holden-l67-87-82-77mm-snout-boost-upgrade-yt3800kit2-77","title":"Yella Terra Holden L67 Billet Snout Boost Upgrade Kit — 87mm \/ 82mm \/ 77mm","description":"\u003cp\u003eYella Terra’s billet-snout boost system replaces the factory Holden\/Buick L67\/L32 supercharger front cover with a precision-engineered billet-alloy snout and new cast-alloy cover. The quick-change four-bolt pulley system allows boost-ratio changes without specialised press-on \/ press-off pulley tools.\u003c\/p\u003e\u003ch3\u003e87 mm \/ 82 mm \/ 77 mm pulley package\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelectable 87 mm, 82 mm and 77 mm blower pulleys.\u003c\/li\u003e\n\u003cli\u003eAll three pulley sizes can be used without an intercooler according to Yella Terra.\u003c\/li\u003e\n\u003cli\u003eThe 77 mm pulley requires ECU tuning.\u003c\/li\u003e\n\u003cli\u003eOn Yella Terra’s stock-standard L67 automatic test vehicle, maximum rear-wheel power increased by up to approximately 25% and torque by up to approximately 50% across a broad rev range. Results vary with vehicle and engine setup.\u003c\/li\u003e\n\u003cli\u003eYella Terra describes the complete snout conversion as installable in less than approximately two hours by a suitably equipped installer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKit contents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupercharger end case.\u003c\/li\u003e\n\u003cli\u003eAlloy extension housing.\u003c\/li\u003e\n\u003cli\u003eAnodised alloy top pulley.\u003c\/li\u003e\n\u003cli\u003eOversize idler pulley to take up belt slack.\u003c\/li\u003e\n\u003cli\u003eGM supercharger gasket.\u003c\/li\u003e\n\u003cli\u003eFront-cover sealant.\u003c\/li\u003e\n\u003cli\u003eSupercharger oil.\u003c\/li\u003e\n\u003cli\u003eDetailed fitting instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Boost varies with the complete engine combination. Overdriving the supercharger increases operating speed and can accelerate wear. The 77 mm option requires calibration.\u003c\/p\u003e\u003ch2\u003eSupplier\u003c\/h2\u003e\u003cp\u003eYella Terra\u003c\/p\u003e\u003ch2\u003eProduct System\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eTurbo \u0026amp; Forced Induction\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHolden Commodore Vs L67\u003c\/li\u003e\n\u003cli\u003eHolden Commodore Vt Vt Ii L67\u003c\/li\u003e\n\u003cli\u003eHolden Commodore Vx L67\u003c\/li\u003e\n\u003cli\u003eHolden Commodore Vy L67\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm chassis, engine, drivetrain and production-year compatibility before ordering.\u003c\/p\u003e\u003ch2\u003eAvailable Options\u003c\/h2\u003e\u003ch3\u003ePulley Size\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e87 mm\u003c\/li\u003e\n\u003cli\u003e82 mm\u003c\/li\u003e\n\u003cli\u003e77 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSupplier Part Number\u003c\/h2\u003e\u003cp\u003eYT3800KIT2-77\u003c\/p\u003e\u003ch2\u003eBuilt by Boost \u0026amp; Tune Support\u003c\/h2\u003e\u003cp\u003eBBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.\u003c\/p\u003e","brand":"Yella Terra","offers":[{"title":"87 mm","offer_id":43808041566275,"sku":"YT3800KIT2-77","price":1150.0,"currency_code":"AUD","in_stock":true},{"title":"82 mm","offer_id":43808041599043,"sku":"YT3800KIT2-77","price":1150.0,"currency_code":"AUD","in_stock":true},{"title":"77 mm","offer_id":43808041631811,"sku":"YT3800KIT2-77","price":1150.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/Holden_SC_kit__67661.1730344550.webp?v=1789110434","url":"https:\/\/builtbyboostandtune.com.au\/products\/yella-terra-holden-l67-87-82-77mm-snout-boost-upgrade-yt3800kit2-77","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}