Overview Reviews Product Description Supertech Honda R18 SOHC I-Vtec Single Valve Spring Seat Product Videos Custom Field Category Engine Components>Valve Springs, Retainers MPN SEAT-H1003-R18 Product Reviews Write a Review Write a Review × Supertech Supertech Honda R18 SOHC I-Vtec Single Valve Spring Seat - SEAT-H1003-R18 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *
Quick view Details Supertech | sku: SPTSPRK-H1003S-R18 Supertech Honda R18 SOHC I-Vtec Single Valve Spring Kit - SPRK-H1003S-R18 MSRP: $860.59 Now: $688.63 View Details Quick view Details Supertech | sku: SPTRET-H1003-R18 Supertech Titanium Retainer for Honda R18 Spring SPR-1003S - RET-H1003-R18 MSRP: $24.73 Now: $19.79 View Details Quick view Details Supertech | sku: SPTSEAT-H1003-J32 Supertech Honda/Acura J series Single Valve Spring Seat For Spring H1003 - SEAT-H1003-J32 MSRP: $8.63 Now: $6.91 View Details Quick view Details Supertech | sku: SPTSEAT-H1003-D16Z Supertech Spring Seat Locator for SPR-H1003 Honda D16Z- 9mm Thick (65lb Seat Pressure) - SEAT-H1003-D16Z MSRP: $8.63 Now: $6.91 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CE Supertech Exhaust Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CE MSRP: $9.18 Now: $7.35 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CI Supertech Intake Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CI MSRP: $9.18 Now: $7.35 View Details Quick view Details Brian Crower | sku: BRCBC1080 Brian Crower Honda R18 Single Valve Springs (Set of 16) - BC1080 MSRP: Now: $95.55 View Details Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details × OK
Quick view Details Supertech | sku: SPTRET-H1003-R18 Supertech Titanium Retainer for Honda R18 Spring SPR-1003S - RET-H1003-R18 MSRP: $24.73 Now: $19.79 View Details Quick view Details Supertech | sku: SPTSEAT-H1003-J32 Supertech Honda/Acura J series Single Valve Spring Seat For Spring H1003 - SEAT-H1003-J32 MSRP: $8.63 Now: $6.91 View Details Quick view Details Supertech | sku: SPTSEAT-H1003-D16Z Supertech Spring Seat Locator for SPR-H1003 Honda D16Z- 9mm Thick (65lb Seat Pressure) - SEAT-H1003-D16Z MSRP: $8.63 Now: $6.91 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CE Supertech Exhaust Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CE MSRP: $9.18 Now: $7.35 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CI Supertech Intake Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CI MSRP: $9.18 Now: $7.35 View Details Quick view Details Brian Crower | sku: BRCBC1080 Brian Crower Honda R18 Single Valve Springs (Set of 16) - BC1080 MSRP: Now: $95.55 View Details Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details × OK
Quick view Details Supertech | sku: SPTSEAT-H1003-J32 Supertech Honda/Acura J series Single Valve Spring Seat For Spring H1003 - SEAT-H1003-J32 MSRP: $8.63 Now: $6.91 View Details Quick view Details Supertech | sku: SPTSEAT-H1003-D16Z Supertech Spring Seat Locator for SPR-H1003 Honda D16Z- 9mm Thick (65lb Seat Pressure) - SEAT-H1003-D16Z MSRP: $8.63 Now: $6.91 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CE Supertech Exhaust Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CE MSRP: $9.18 Now: $7.35 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CI Supertech Intake Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CI MSRP: $9.18 Now: $7.35 View Details Quick view Details Brian Crower | sku: BRCBC1080 Brian Crower Honda R18 Single Valve Springs (Set of 16) - BC1080 MSRP: Now: $95.55 View Details Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details
Quick view Details Supertech | sku: SPTSEAT-H1003-D16Z Supertech Spring Seat Locator for SPR-H1003 Honda D16Z- 9mm Thick (65lb Seat Pressure) - SEAT-H1003-D16Z MSRP: $8.63 Now: $6.91 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CE Supertech Exhaust Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CE MSRP: $9.18 Now: $7.35 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CI Supertech Intake Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CI MSRP: $9.18 Now: $7.35 View Details Quick view Details Brian Crower | sku: BRCBC1080 Brian Crower Honda R18 Single Valve Springs (Set of 16) - BC1080 MSRP: Now: $95.55 View Details Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details
Quick view Details Supertech | sku: SPTSEAT-1003-CE Supertech Exhaust Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CE MSRP: $9.18 Now: $7.35 View Details Quick view Details Supertech | sku: SPTSEAT-1003-CI Supertech Intake Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CI MSRP: $9.18 Now: $7.35 View Details Quick view Details Brian Crower | sku: BRCBC1080 Brian Crower Honda R18 Single Valve Springs (Set of 16) - BC1080 MSRP: Now: $95.55 View Details Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details
Quick view Details Supertech | sku: SPTSEAT-1003-CI Supertech Intake Spring Seat Locator for SPR-H1003S Honda K20C - Single (Drop Ship Only) - SEAT-1003-CI MSRP: $9.18 Now: $7.35 View Details Quick view Details Brian Crower | sku: BRCBC1080 Brian Crower Honda R18 Single Valve Springs (Set of 16) - BC1080 MSRP: Now: $95.55 View Details Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details
Quick view Details Brian Crower | sku: BRCBC1080 Brian Crower Honda R18 Single Valve Springs (Set of 16) - BC1080 MSRP: Now: $95.55 View Details Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details
Quick view Details Supertech | sku: SPTSPRK-H1003S Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only) - SPRK-H1003S MSRP: $590.92 Now: $472.84 View Details