{"title":"PRW","description":"\u003cp\u003ePRW at MapleTorque: every PRW part we list, priced in Canadian dollars. Where the maker publishes fitment, filter by your year, make and model; each product page lists what it fits.\u003c\/p\u003e\u003cp\u003eWhere the range sits: \u003ca href=\"\/collections\/engine-internals\"\u003eEngine Internals\u003c\/a\u003e (225), \u003ca href=\"\/collections\/water-pumps\"\u003eWater Pumps\u003c\/a\u003e (73), \u003ca href=\"\/collections\/clutch-flywheel\"\u003eClutch \u0026amp; Flywheel\u003c\/a\u003e (59), \u003ca href=\"\/collections\/timing-components\"\u003eTiming Components\u003c\/a\u003e (30).\u003c\/p\u003e","products":[{"product_id":"prw-stud-kit-main-girdle-1000202","title":"PRW - Stud Kit, Main Girdle - 1000202","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 4.15 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881440960,"sku":"PRW1000202","price":96.53,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000202_v1.jpg?v=1787242244"},{"product_id":"prw-stud-kit-main-girdle-1000203","title":"PRW - Stud Kit, Main Girdle - 1000203","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 4.15 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881506496,"sku":"PRW1000203","price":99.41,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000203.jpg?v=1787242245"},{"product_id":"prw-stud-kit-main-girdle-1000209","title":"PRW - Stud Kit, Main Girdle - 1000209","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 2.65 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881473728,"sku":"PRW1000209","price":126.02,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000209.jpg?v=1787242245"},{"product_id":"prw-stud-kit-main-girdle-1000205","title":"PRW - Stud Kit, Main Girdle - 1000205","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 4.15 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881539264,"sku":"PRW1000205","price":136.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000205_v1.jpg?v=1787242245"},{"product_id":"prw-stud-kit-main-girdle-1000207","title":"PRW - Stud Kit, Main Girdle - 1000207","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 2.65 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881572032,"sku":"PRW1000207","price":121.08,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000207.jpg?v=1787242244"},{"product_id":"prw-stud-kit-main-girdle-1000211","title":"PRW - Stud Kit, Main Girdle - 1000211","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 2.65 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881604800,"sku":"PRW1000211","price":125.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000211.jpg?v=1787242245"},{"product_id":"prw-stud-kit-main-girdle-1000213","title":"PRW - Stud Kit, Main Girdle - 1000213","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 4.5 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881670336,"sku":"PRW1000213","price":125.02,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000213_2_v1.jpg?v=1787242245"},{"product_id":"prw-stud-kit-main-girdle-1000215","title":"PRW - Stud Kit, Main Girdle - 1000215","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003ePRW uses premium grade Custom 4135 Steel. Our studs are then specially heat-treated to 180,000 psi. This heat treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality 12 point nuts. Add confidence in the strength of your engine build when you use these PRW main cap girdle stud kits.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCustom 4135 Alloy Steel (Japanese)\u003c\/li\u003e\n\u003cli\u003eCold-Headed With Rolled Threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 2.65 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881637568,"sku":"PRW1000215","price":105.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1000215.jpg?v=1787242245"},{"product_id":"prw-flywheel-bolt-kit-set-of-6-1001102","title":"PRW - Flywheel Bolt Kit, Set of 6 - 1001102","description":"\u003cp\u003eListed for 258 vehicles: the fitment table on this page shows each year, make and model it fits.\u003c\/p\u003e\u003cp\u003eSold as a set of 6.\u003c\/p\u003e\u003cp\u003ePRW flywheel.\u003c\/p\u003e\u003c!--mt-sema-20260914--\u003e\u003cp\u003ePRW flexplate, flywheel, and torque converter bolts are specifically designed to be stronger than oem bolts.\u003c\/p\u003e\u003c!--\/mt-sema-20260914--\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PRW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e PRW1001102\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881703104,"sku":"PRW1001102","price":25.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1001102.jpg?v=1787242246"},{"product_id":"prw-flywheel-bolt-kit-set-of-8-1001281","title":"PRW - 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Comes with PRW CMD Extreme Pressure Assembly Lube (0.5oz Packet)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat Treated\u003c\/li\u003e\n\u003cli\u003eBlack Oxide Finish\u003c\/li\u003e\n\u003cli\u003eRated at 200,000 psi tensile strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 8.9 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881932480,"sku":"PRW1035902","price":589.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1035902.jpg?v=1787242247"},{"product_id":"prw-bolt-kit-flange-bolt-set-of-4-1023509","title":"PRW - Bolt Kit, Flange Bolt, Set of 4 - 1023509","description":"\u003cp\u003eSold as a set of 4.\u003c\/p\u003e\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003eBOLT KIT, FLANGE BOLT, Water Pump Pulley Girdle, 5\/16\"-24 UNF X 1.00\" UHL, Black Oxide, Set of 4\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 0.376 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852881965248,"sku":"PRW1023509","price":18.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1023509.jpg?v=1787242247"},{"product_id":"prw-cylinder-head-stud-kit-black-oxide-1035903","title":"PRW - Cylinder Head Stud Kit, Black Oxide - 1035903","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003eOur studs are then specially heat-treated to 200,000 psi. 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To ensure perfect alignment with gaskets and cylinder heads, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. You will also note that PRW offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the \"stretch\" of both studs, which makes for a more consistent clamping force - and one that compensates for head gasket compression when the cylinder heads are installed. Look for PRW stamped on each stud and 12 point nut is your assurance of quality. 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To ensure perfect alignment with gaskets and cylinder heads, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. You will also note that PRW offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the \"stretch\" of both studs, which makes for a more consistent clamping force - and one that compensates for head gasket compression when the cylinder heads are installed. Look for PRW stamped on each stud and 12 point nut is your assurance of quality. 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To ensure perfect alignment with gaskets and cylinder heads, PRW studs are then centerless ground after being heat treated. This attention to detail results in remarkably straight and concentric studs. PRW studs are then thread rolled which assures better fatigue strength than having this process done before heat treatment. This manufacturing process may cost more to do but the results are well worth the extra effort. You will also note that PRW offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the \"stretch\" of both studs, which makes for a more consistent clamping force - and one that compensates for head gasket compression when the cylinder heads are installed. Look for PRW stamped on each stud and 12 point nut is your assurance of quality. Comes with PRW CMD Extreme Pressure Assembly Lube (0.5oz Packet)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat Treated\u003c\/li\u003e\n\u003cli\u003eBlack Oxide Finish\u003c\/li\u003e\n\u003cli\u003eRated at 200,000 psi tensile strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eWeight: 12.4 lb\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!--\/mt-desc-append-20260825--\u003e","brand":"PRW","offers":[{"title":"Default Title","offer_id":48852882161856,"sku":"PRW1040321","price":1143.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/4772\/8320\/files\/1040321.jpg?v=1787242249"},{"product_id":"prw-cylinder-head-stud-kit-black-oxide-1040621","title":"PRW - Cylinder Head Stud Kit, Black Oxide - 1040621","description":"\u003c!--mt-desc-append-20260825--\u003e\n\u003cdiv class=\"mt-gen-details\"\u003e\n\u003cp\u003eOur studs are then specially heat-treated to 200,000 psi. 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Manufactured from premium alloy steel and heat-treated for maximum durability, these flange nuts provide the secure retention needed to handle extreme vibration, high cylinder pressures, and demanding RPM levels. Each nut features a wide integrated flange designed to evenly distribute load across the mating surface, improving gasket sealing and reducing the risk of fastener loosening. Precision-rolled threads ensure smooth engagement, greater fatigue resistance, and more accurate torque readings. A protective black oxide finish adds corrosion resistance for long-lasting performance in any environment. 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