{"title":"Specialty Service Tools","description":"\u003cp\u003eSpecialty tools and equipment for servicing, maintaining, and building your dream machine. Precision-made service tools curated by ZSM Custom for the serious enthusiast and fabricator.\u003c\/p\u003e","products":[{"product_id":"r180-r200-pinion-sst-special-service-tool","title":"R180 \/ R200 Pinion SST (Special Service Tool)","description":"\u003cp\u003eA purpose-built Special Service Tool (SST) for R180 and R200 differential service. Designed in CAD and laser cut from mild steel, this pinion flange holder is the right tool for the job when torquing the pinion flange nut to OEM spec.\u003c\/p\u003e\u003ch3\u003eWhat It Does\u003c\/h3\u003e\u003cp\u003eHolds the pinion flange stationary while you torque the pinion flange nut — a critical step in differential rebuilds and LSD installations. Without the correct SST, you risk damaging the flange or failing to achieve proper torque spec.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatible with R180 and R200 differentials\u003c\/li\u003e\n\u003cli\u003eLaser cut from mild steel\u003c\/li\u003e\n\u003cli\u003eCAD designed for precise fitment\u003c\/li\u003e\n\u003cli\u003eLabeled: R180 R200 Pinion\u003c\/li\u003e\n\u003cli\u003eFits Datsun S30Z (240Z \/ 260Z \/ 280Z) and other Nissan\/Datsun applications using R180 \/ R200 differentials\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZSM Custom","offers":[{"title":"Default Title","offer_id":59723623956561,"sku":null,"price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1020\/0868\/4625\/files\/Screenshot_2026-06-30_171228.png?v=1782864920"},{"product_id":"r180-r200-stub-axle-sst-special-service-tool","title":"R180 \/ R200 Stub Axle SST (Special Service Tool)","description":"\u003cp\u003eA purpose-built Special Service Tool (SST) for R180 and R200 differential service. Designed in CAD and laser cut from mild steel, this stub axle holder keeps the stub axle stationary while torquing the stub axle bolt to OEM spec.\u003c\/p\u003e\u003ch3\u003eWhat It Does\u003c\/h3\u003e\u003cp\u003eHolds the stub axle flange during differential service — an essential tool when torquing the stub axle bolt to factory specification. Using the correct SST prevents flange damage and ensures proper torque is achieved without slippage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatible with R180 and R200 differentials\u003c\/li\u003e\n\u003cli\u003eLaser cut from mild steel\u003c\/li\u003e\n\u003cli\u003eCAD designed for precise fitment\u003c\/li\u003e\n\u003cli\u003eLabeled: R180 R200 Stub Axle\u003c\/li\u003e\n\u003cli\u003eFits Datsun S30Z (240Z \/ 260Z \/ 280Z) and other Nissan\/Datsun applications using R180 \/ R200 differentials\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZSM Custom","offers":[{"title":"Default Title","offer_id":59723635359825,"sku":null,"price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1020\/0868\/4625\/files\/Screenshot_2026-06-30_171625.png?v=1782865077"},{"product_id":"zsm-l-series-engine-hoist-sst-special-service-tool","title":"ZSM L-Series Engine Hoist SST (Special Service Tool)","description":"\u003cp\u003eAnyone who has wrestled an L-Series engine in or out of a chassis knows the struggle — the awkward angle, the guesswork, the risk of damaging what you’ve worked so hard to build. The ZSM L-Series Engine Hoist SST eliminates all of that. Designed in CAD and laser-cut from mild steel, this Special Service Tool bolts directly to the cylinder head intake and exhaust studs, giving you a solid, purpose-built lift point every time.\u003c\/p\u003e\u003cp\u003eThe bracket is pre-bent to match the OEM engine tilt angle, so your L-Series hangs perfectly level during installation and removal — no improvising, no fighting the hoist, no scratched valve covers. Just clean, controlled engine pulls the way it should be done.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBolts directly to cylinder head intake and exhaust studs — no drilling or modification required\u003c\/li\u003e\n\u003cli\u003ePre-bent to match OEM L-Series engine tilt angle — engine hangs level every time\u003c\/li\u003e\n\u003cli\u003eLaser-cut mild steel construction — strong, precise, and built to last\u003c\/li\u003e\n\u003cli\u003eCAD-designed in-house by ZSM Custom for proper fitment\u003c\/li\u003e\n\u003cli\u003eMakes engine installation and removal significantly easier and safer\u003c\/li\u003e\n\u003cli\u003eReusable tool — a worthwhile addition to any L-Series shop or garage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNissan \/ Datsun L-Series engines (L24, L26, L28, and variants)\u003c\/li\u003e\n\u003cli\u003eCompatible with S30 240Z, 260Z, 280Z, and other L-Series chassis\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNeed a custom SST or have a fitment question? Contact ZSM Custom.\u003c\/em\u003e\u003c\/p\u003e","brand":"ZSM Custom","offers":[{"title":"Default Title","offer_id":59742065786961,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1020\/0868\/4625\/files\/image_c5f60f9f-996e-4f09-9f44-039cba5b55f1.png?v=1783148522"}],"url":"https:\/\/zsmcustom.com\/collections\/service-tools.oembed","provider":"ZSM Custom","version":"1.0","type":"link"}