{"product_id":"pro-series-chevy-small-block-12-rollover-18-degree-brodix-cylinder-head-12-point-bolt-kit","title":"Pro Series Chevy Small Block 12 Rollover\/18 Degree Brodix Cylinder Head 12-Point Bolt Kit","description":"\u003cp\u003eSecure your race engine build with the Top Street Performance Pro Series Small Block Chevy 12 Degree Rollover \u0026amp; 18 Degree Brodix Cylinder Head 12-Point Bolt Kit. Designed specifically for Small Block Chevy engines utilizing 12 degree rollover cylinder heads and 18 degree Brodix cylinder heads, this Brodix head bolt kit provides the clamping force and durability needed to help maintain reliable head gasket sealing in high-performance and racing applications. Whether you're assembling a drag racing engine, circle track engine, or naturally aspirated competition build, these 18 degree Brodix head bolts deliver dependable cylinder head retention under demanding conditions.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for 12 Degree Rollover \u0026amp; 18 Degree Brodix Cylinder Heads\u003c\/strong\u003e\u003cbr\u003eEngineered specifically for 12 degree rollover head bolt kit applications and 18 degree Brodix head bolt installations, these Brodix cylinder head bolts provide proper fastener engagement and dependable cylinder head retention. Ideal for Small Block Chevy race engines utilizing specialized cylinder head configurations that require application-specific hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Strength Performance Construction\u003c\/strong\u003e\u003cbr\u003eManufactured from heat-treated 35 chromoly steel with a minimum tensile strength of 190,000 PSI, these Small Block Chevy race head bolts are built to withstand demanding racing conditions. Threads are rolled after heat treatment and protected with a black oxide finish and oil coating for enhanced durability and corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupports Reliable Head Gasket Sealing\u003c\/strong\u003e\u003cbr\u003eDesigned to provide consistent cylinder head clamping force, this racing head bolt kit helps maintain dependable head gasket retention and cylinder pressure control in high-compression, naturally aspirated, and competition engine applications. Proper cylinder head retention is critical for maximizing reliability in demanding racing environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal for Racing \u0026amp; Performance Builds\u003c\/strong\u003e\u003cbr\u003ePerfect for engine assembly, cylinder head installation, head gasket replacement, and competition engine builds where application-specific cylinder head hardware is required. An excellent choice for Small Block Chevy race engines, 18 degree Brodix cylinder head applications, and 12 degree rollover head bolt kit applications requiring premium racing hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET SMALL BLOCK V8 GEN. I PERFORMANCE HEAD APPLICATIONS\u003cbr\u003e• 4.3L \/ 262 in³\u003cbr\u003e• 4.3L \/ 265 in³\u003cbr\u003e• 4.4L \/ 267 in³\u003cbr\u003e• 4.6L \/ 283 in³\u003cbr\u003e• 4.9L \/ 302 in³\u003cbr\u003e• 5.0L \/ 305 in³\u003cbr\u003e• 5.0L \/ 307 in³\u003cbr\u003e• 5.4L \/ 327 in³\u003cbr\u003e• 5.7L \/ 350 in³\u003cbr\u003e• 6.6L \/ 400 in³\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE CYLINDER HEADS\u003c\/strong\u003e\u003cbr\u003e• Brodix 12° Rollover Heads\u003cbr\u003e• Brodix 18° Heads\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003eChevrolet Camaro (1967–1995 SBC equipped)\u003cbr\u003eChevrolet Chevelle (1964–1977 SBC)\u003cbr\u003eChevrolet Nova (1962–1979 SBC)\u003cbr\u003eChevrolet C10 \/ C\/K Trucks (1960–1995 SBC)\u003cbr\u003eChevrolet Impala \/ Caprice (SBC equipped)\u003c\/p\u003e\n\u003cp\u003eNOTES\u003cbr\u003e• Designed specifically for 12° Rollover and 18° Brodix cylinder head applications.\u003cbr\u003e• Not compatible with standard factory Small Block Chevy cylinder heads.\u003cbr\u003e• Verify cylinder head manufacturer, washer requirements, and thread engagement before installation.\u003cbr\u003e• Intended for specialized racing and performance cylinder head applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003cbr\u003eTorque: 3 steps, to 75 ft-lbs\u003cbr\u003eGrade Type: Performance\u003cbr\u003eMaterial: Stainless Steel\u003cbr\u003eMaximum RPM: 7,000\u003cbr\u003eMounting Type: Shaft\u003cbr\u003eOpen Pressure Rating: 500 lbs.\u003cbr\u003eQuantity: 16\u003cbr\u003eRocker Arm Body Style: Standard\u003cbr\u003eRocker Arm Finish: Natural\u003cbr\u003eRocker Arm Material: Stainless Steel\u003cbr\u003eRocker Arm Ratio: 1.7\u003cbr\u003eRocker Arm Type: Full Roller\u003cbr\u003eSelf Aligning: No\u003cbr\u003eShims Included: No\u003cbr\u003eTip Style: Needle Bearing\u003cbr\u003eTrunnion Style: Needle Bearing\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49818409173288,"sku":"719-82087","price":95.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/719-82087_01.jpg?v=1739476472","url":"https:\/\/www.topstreetperformance.com\/products\/pro-series-chevy-small-block-12-rollover-18-degree-brodix-cylinder-head-12-point-bolt-kit","provider":"Top Street Performance","version":"1.0","type":"link"}