{"product_id":"allstar-performance-exhaust-block-off-plates-spread-port-dart-plastic","title":"Allstar Performance Exhaust Block Off Plates 1\/4in Plastic — Small Block Chevy Spread Port","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProtect Your Engine Ports During Maintenance\u003c\/h2\u003e\u003cp\u003eKeep debris, dust, and moisture out of your engine during storage or transport with the Allstar Performance Exhaust Block Off Plates (ALL34215). These 1\/4-inch thick plastic plates are specifically designed to fit Small Block Chevy (SBC) engines featuring Spread Port or Dart cylinder head configurations. By sealing the exhaust ports, you prevent internal damage and ensure your engine remains in race-ready condition.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatibility: Small Block Chevy (SBC)\u003c\/li\u003e\n\u003cli\u003ePort Style: Spread Port \/ Dart\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Impact 1\/4\" Plastic\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold as a Pair\u003c\/li\u003e\n\u003cli\u003eFinish: Black\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEngineered for convenience and durability, these block-off plates provide a secure seal without the risk of scratching or marring delicate port surfaces. The lightweight plastic construction is easy to handle and install, making them an essential tool for any engine builder or racer performing routine maintenance or long-term engine storage. Unlike metal alternatives, these plastic plates offer a cost-effective and non-abrasive solution for protecting your investment. Ensure your cylinder heads stay clean and free from contaminants with this simple yet effective engine protection solution. For premium engine maintenance tools and high-performance components, look no further than GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Exhaust Block Off Plates 1\/4in Plastic \\u2014 Small Block Chevy Spread Port\",\"description\":\"Protect your engine ports with Allstar Performance Exhaust Block Off Plates. Designed for SBC Spread Port\/Dart heads. Buy these durable plastic plates now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL34215\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-exhaust-block-off-plates-spread-port-dart-plastic\",\"offers\":{\"@type\":\"Offer\",\"price\":\"19.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-exhaust-block-off-plates-spread-port-dart-plastic\",\"sku\":\"DNLF_ALL34215\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Exhaust Block Off Plates 1\/4in Plastic \\u2014 Small Block Chevy Spread Port\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-exhaust-block-off-plates-spread-port-dart-plastic\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Exhaust Block Off Plates 1\/4in Plastic \\u2014 Small Block Chevy S fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Exhaust Block Off Plates 1\/4in Plastic \\u2014 Small Block Chevy S?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41441766867028,"sku":"DNLF_ALL34215","price":19.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL34215.jpg?v=1721509925","url":"https:\/\/ggcracing.com\/en-co\/products\/allstar-performance-exhaust-block-off-plates-spread-port-dart-plastic","provider":"GGCRACING INC","version":"1.0","type":"link"}