{"id":779603902555,"title":"JE Pistons - 321240 - JE Automotive - Chevrolet - Piston and Ring Kits","handle":"je-pistons-321240-je-automotive-chevrolet-piston-and-ring-kits","description":"\u003cp\u003eJE Pistons - 321240 - JE Automotive - Chevrolet - Piston and Ring Kits\u003c\/p\u003e\n\u003cp\u003eWe have redesigned and expanded our GM LS1 series product lines! These new pistons utilized our dedicated Forged Side Relief (FSR) forging that was specifically designed for the demands of the GM LS1 series of engines. In addition, we have found ways to reduce weight and maintain the durability needed for both street and racing use. (CR calculated with .051\" gasket thickness and +.009-.011\" deck clearance). Lightweight and extremely durable, these pistons are machined for 1.5mm, 1.5mm, 3.0mm rings. Wrist pin upgrade recommended above 800hp.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e927-2250-15-51C (106g) wrist pins included, note C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e945-2200-15-51C (105g) wrist pins included, note K\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWire locks included, #945-073-MW\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: JE Pistons\u003c\/li\u003e\n\u003cli\u003eManufacturer's Part Number: 321240\u003c\/li\u003e\n\u003cli\u003eCategory:  Piston and Ring Kits\u003c\/li\u003e\n\u003cli\u003eProduct Type: JE Pistons Automotive Series\u003c\/li\u003e\n\u003cli\u003eFitment: GM LS1 Series - FSR Series\u003c\/li\u003e\n\u003cli\u003eCubic Inches: 347\u003c\/li\u003e\n\u003cli\u003eBore Size: 3.905\u003c\/li\u003e\n\u003cli\u003eRod Length: 6.098\u003c\/li\u003e\n\u003cli\u003eStroke: 3.622\u003c\/li\u003e\n\u003cli\u003eBlock Height: +.009\u003c\/li\u003e\n\u003cli\u003eCompression Distance: 1.340\u003c\/li\u003e\n\u003cli\u003eCompression Ratio 64cc: 10.4\u003c\/li\u003e\n\u003cli\u003eCompression Ratio 66cc: 10.2\u003c\/li\u003e\n\u003cli\u003eCompression Ratio 72cc: 9.6\u003c\/li\u003e\n\u003cli\u003eDome Volume: -2.0\u003c\/li\u003e\n\u003cli\u003eGram Weight: 439\u003c\/li\u003e\n\u003cli\u003eFootnote: K, T\u003c\/li\u003e\n\u003cli\u003eOversize: .007\u003c\/li\u003e\n\u003cli\u003eRing Set Recommend: J68008-3900-3\u003c\/li\u003e\n\u003cli\u003eJE Pro Seal Head Gasket: \u003ca href=\"https:\/\/horsepowerdirect.com\/products\/je-pro-seal-gm1015-051-gm-lsl1-ls6\" target=\"_blank\" title=\"JE Pro Seal - GM1015-051 - GM LSL1 \/ LS6\" rel=\"noopener noreferrer\"\u003eGM1015-051\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e15 Degree LS1 \u003c\/li\u003e\n\u003cli\u003eStandard Bore Size: 3.898\"\u003c\/li\u003e\n\u003cli\u003eWrist pin upgrade recommended above 800hp.\u003c\/li\u003e\n\u003cli\u003eNotes: FSR Series uses 2.250 length pins Ring package designed for:1.5, 1.5, 3mm Rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFootnotes:  C = .927 Pin Diameter, K = .945 Pin Diameter, T = Forced Induction\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","published_at":"2018-07-08T11:55:08-05:00","created_at":"2018-07-08T11:55:09-05:00","vendor":"JE Pistons","type":"JE Pistons Automotive Series","tags":[],"price":54299,"price_min":54299,"price_max":54299,"available":true,"price_varies":false,"compare_at_price":0,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":8746031710299,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"321240","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"JE Pistons - 321240 - JE Automotive - Chevrolet - Piston and Ring Kits","public_title":null,"options":["Default Title"],"price":54299,"weight":9072,"compare_at_price":0,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/2246\/1445\/products\/je-piston_b6922eb0-41cf-4b08-96b0-9dd3f019496b.jpg?v=1557371584"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/2246\/1445\/products\/je-piston_b6922eb0-41cf-4b08-96b0-9dd3f019496b.jpg?v=1557371584","options":["Title"],"content":"\u003cp\u003eJE Pistons - 321240 - JE Automotive - Chevrolet - Piston and Ring Kits\u003c\/p\u003e\n\u003cp\u003eWe have redesigned and expanded our GM LS1 series product lines! These new pistons utilized our dedicated Forged Side Relief (FSR) forging that was specifically designed for the demands of the GM LS1 series of engines. In addition, we have found ways to reduce weight and maintain the durability needed for both street and racing use. (CR calculated with .051\" gasket thickness and +.009-.011\" deck clearance). Lightweight and extremely durable, these pistons are machined for 1.5mm, 1.5mm, 3.0mm rings. Wrist pin upgrade recommended above 800hp.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e927-2250-15-51C (106g) wrist pins included, note C\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e945-2200-15-51C (105g) wrist pins included, note K\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWire locks included, #945-073-MW\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: JE Pistons\u003c\/li\u003e\n\u003cli\u003eManufacturer's Part Number: 321240\u003c\/li\u003e\n\u003cli\u003eCategory:  Piston and Ring Kits\u003c\/li\u003e\n\u003cli\u003eProduct Type: JE Pistons Automotive Series\u003c\/li\u003e\n\u003cli\u003eFitment: GM LS1 Series - FSR Series\u003c\/li\u003e\n\u003cli\u003eCubic Inches: 347\u003c\/li\u003e\n\u003cli\u003eBore Size: 3.905\u003c\/li\u003e\n\u003cli\u003eRod Length: 6.098\u003c\/li\u003e\n\u003cli\u003eStroke: 3.622\u003c\/li\u003e\n\u003cli\u003eBlock Height: +.009\u003c\/li\u003e\n\u003cli\u003eCompression Distance: 1.340\u003c\/li\u003e\n\u003cli\u003eCompression Ratio 64cc: 10.4\u003c\/li\u003e\n\u003cli\u003eCompression Ratio 66cc: 10.2\u003c\/li\u003e\n\u003cli\u003eCompression Ratio 72cc: 9.6\u003c\/li\u003e\n\u003cli\u003eDome Volume: -2.0\u003c\/li\u003e\n\u003cli\u003eGram Weight: 439\u003c\/li\u003e\n\u003cli\u003eFootnote: K, T\u003c\/li\u003e\n\u003cli\u003eOversize: .007\u003c\/li\u003e\n\u003cli\u003eRing Set Recommend: J68008-3900-3\u003c\/li\u003e\n\u003cli\u003eJE Pro Seal Head Gasket: \u003ca href=\"https:\/\/horsepowerdirect.com\/products\/je-pro-seal-gm1015-051-gm-lsl1-ls6\" target=\"_blank\" title=\"JE Pro Seal - GM1015-051 - GM LSL1 \/ LS6\" rel=\"noopener noreferrer\"\u003eGM1015-051\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e15 Degree LS1 \u003c\/li\u003e\n\u003cli\u003eStandard Bore Size: 3.898\"\u003c\/li\u003e\n\u003cli\u003eWrist pin upgrade recommended above 800hp.\u003c\/li\u003e\n\u003cli\u003eNotes: FSR Series uses 2.250 length pins Ring package designed for:1.5, 1.5, 3mm Rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFootnotes:  C = .927 Pin Diameter, K = .945 Pin Diameter, T = Forced Induction\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e"}

JE Pistons - 321240 - JE Automotive - Chevrolet - Piston and Ring Kits

Product Description
$542.99
Maximum quantity available reached.

JE Pistons - 321240 - JE Automotive - Chevrolet - Piston and Ring Kits

We have redesigned and expanded our GM LS1 series product lines! These new pistons utilized our dedicated Forged Side Relief (FSR) forging that was specifically designed for the demands of the GM LS1 series of engines. In addition, we have found ways to reduce weight and maintain the durability needed for both street and racing use. (CR calculated with .051" gasket thickness and +.009-.011" deck clearance). Lightweight and extremely durable, these pistons are machined for 1.5mm, 1.5mm, 3.0mm rings. Wrist pin upgrade recommended above 800hp.

Includes:

927-2250-15-51C (106g) wrist pins included, note C
945-2200-15-51C (105g) wrist pins included, note K
Wire locks included, #945-073-MW

  • Brand: JE Pistons
  • Manufacturer's Part Number: 321240
  • Category:  Piston and Ring Kits
  • Product Type: JE Pistons Automotive Series
  • Fitment: GM LS1 Series - FSR Series
  • Cubic Inches: 347
  • Bore Size: 3.905
  • Rod Length: 6.098
  • Stroke: 3.622
  • Block Height: +.009
  • Compression Distance: 1.340
  • Compression Ratio 64cc: 10.4
  • Compression Ratio 66cc: 10.2
  • Compression Ratio 72cc: 9.6
  • Dome Volume: -2.0
  • Gram Weight: 439
  • Footnote: K, T
  • Oversize: .007
  • Ring Set Recommend: J68008-3900-3
  • JE Pro Seal Head Gasket: GM1015-051
  • 15 Degree LS1 
  • Standard Bore Size: 3.898"
  • Wrist pin upgrade recommended above 800hp.
  • Notes: FSR Series uses 2.250 length pins Ring package designed for:1.5, 1.5, 3mm Rings

Footnotes:  C = .927 Pin Diameter, K = .945 Pin Diameter, T = Forced Induction

    Sku: 321240
    Vendor: JE Pistons

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