Product detailed specification<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n

Bore size<\/span><\/p>\n<\/td>\n

99.75mm<\/span><\/p>\n<\/td>\n<\/tr>\n

Stroke<\/span><\/p>\n<\/td>\n

79.00mm<\/span><\/p>\n<\/td>\n<\/tr>\n

JE Pistons compression ratio (CR)<\/span><\/p>\n<\/td>\n

8.5:1<\/span><\/p>\n<\/td>\n<\/tr>\n

OEM compression ratio (CR)<\/span><\/p>\n<\/td>\n

8.0:1<\/span><\/p>\n<\/td>\n<\/tr>\n

Dome volume (CC)<\/span><\/p>\n<\/td>\n

-16.9cm^{3<\/sup><\/span><\/p>\n<\/td>\n<\/tr>\n}

Compression height (CH)<\/span><\/p>\n<\/td>\n

30.70mm<\/span><\/p>\n<\/td>\n<\/tr>\n

Pin diameter<\/span><\/p>\n<\/td>\n

23mm<\/span><\/p>\n<\/td>\n<\/tr>\n

Features<\/span><\/p>\n<\/td>\n

Accepts Turbo and Nitrous; coated FSR series skirt<\/span><\/p>\n<\/td>\n<\/tr>\n

Fits for<\/span><\/p>\n<\/td>\n

Subaru Impreza WRX STI – 2.5 16V (EJ257)<\/span><\/span><\/span><\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Product detailed specification Bore size 99.75mm Stroke 79.00mm JE Pistons compression ratio (CR) 8.5:1 OEM compression ratio (CR) 8.0:1 Dome<\/p>\n","protected":false},"featured_media":23391,"template":"","meta":{"inline_featured_image":false},"product_cat":[461],"product_tag":[],"class_list":{"0":"post-23547","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-je-pistons","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/product\/23547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/product\/23547\/revisions"}],"predecessor-version":[{"id":23578,"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/product\/23547\/revisions\/23578"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/media\/23391"}],"wp:attachment":[{"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/media?parent=23547"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/product_cat?post=23547"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/viperformance.eu\/wp-json\/wp\/v2\/product_tag?post=23547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}