{"product_id":"strange-d1549-33-spline-lightweight-pro-race-spool-for-gm-12-bolt-4-series","title":"Strange D1549 33-Spline Lightweight Pro Race Spool for GM 12-Bolt, 4-Series","description":"33-Spline L\/W Pro-Race Spool - GM 12-Bolt\n\u003cp\u003eThe Strange D1549 Lightweight Pro Race Spool is engineered for high-performance racing applications using a GM 12-bolt rear end with 4-series gears. Designed for full-size vehicles, this spool provides a solid connection between the axle shafts, forcing both rear wheels to rotate at the same speed for consistent power delivery and dependable traction on the track. Its 33-spline configuration is compatible with matching high-strength axle shafts and is suited to demanding drag racing and competition setups.\u003cbr\u003eConstructed from durable steel, the Strange D1549 balances strength and weight to support race-focused performance without unnecessary mass. The lightweight Pro Race design helps reduce rotating weight while maintaining the durability required for repeated launches and hard acceleration. Precision manufacturing supports proper fitment within compatible GM 12-bolt housings and helps provide reliable operation when used with correctly matched drivetrain components.\u003cbr\u003eThis Strange spool is intended for racing use and should be installed by a qualified professional familiar with GM 12-bolt differentials, gear ratios, axle spline counts, and competition driveline setup. Verify housing compatibility, 4-series gear requirements, axle shaft spline compatibility, and clearance before installation. The D1549 is sold individually and offers a practical foundation for building a dependable, traction-focused rear axle assembly.\u003cbr\u003eFeature: Brand: Strange\u003cbr\u003eFeature: Part Number: D1549\u003cbr\u003eFeature: Application: GM 12-bolt rear end\u003cbr\u003eFeature: Gear Series: 4-series\u003cbr\u003eFeature: Spline Count: 33 spline\u003cbr\u003eFeature: Construction: Steel\u003cbr\u003eFeature: Design: Lightweight Pro Race spool\u003cbr\u003eFeature: Vehicle Fitment: Full-size applications\u003cbr\u003eFeature: Quantity: Sold individually\u003cbr\u003eFeature: Intended Use: Racing and competition applications\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBrand: Strange\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePart Number: D1549\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: GM 12-bolt rear end\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eGear Series: 4-series\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpline Count: 33 spline\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstruction: Steel\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesign: Lightweight Pro Race spool\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eVehicle Fitment: Full-size applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eQuantity: Sold individually\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIntended Use: Racing and competition applications\u003c\/li\u003e\u003c\/ul\u003e","brand":"STRANGE","offers":[{"title":"Default Title","offer_id":67644337029372,"sku":"STGD1549","price":231.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/STGD1549.jpg?v=1791103576","url":"https:\/\/ozkonickustomz.com\/products\/strange-d1549-33-spline-lightweight-pro-race-spool-for-gm-12-bolt-4-series","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}