![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Matte_-_No_Engraving_376ecf31-b38e-41af-a4fa-c25137f381a4_1000x.jpg?v=1660582666)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Brushed_-_No_Engraving_06ccabb8-1648-4cdb-ab9a-d354917012b1_1000x.jpg?v=1660582666)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Brushed_-_Ring_Engraving_216fefbb-fd65-4573-8def-ae061cf66c4f_1000x.jpg?v=1660582666)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Beaded_-_Ring_Engraving_eebdc0b2-dcab-4bdf-8f1f-c084b402629d_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Beaded_-_No_Engraving_5656b1be-dfe7-415f-b52e-67eb3b57fdac_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Translucent_-_Ring_Engraving_6becd442-9952-462e-9811-4a02c5885400_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Translucent_-_No_Engraving_1e2d859d-a7aa-4f07-82d6-cc50d24ec2d1_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Blue_Translucent_-_Ring_Engraving_8beb6bf2-2f55-40df-b9d8-137050c74b8e_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Blue_Translucent_-_No_Engraving_6363b4e3-64a2-4f2f-829f-c4f61048c0dd_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Smoke_Translucent_-_Ring_Engraving_c688c984-ef0e-4fa5-8a61-aa49dbbd74bd_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Smoke_Translucent_-_No_Engraving_27d4e137-ff3b-484e-a824-7ded5ecddcd8_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Matte_-_Ring_Engraving_483d51af-e8c6-4f5d-b237-ac70974e8828_1000x.jpg?v=1660582665)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Matte_-_Ring_Engraving_d343b7b0-2d6f-4abb-a57e-e6154abc028a_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Matte_-_No_Engraving_8749b1de-1bac-43ed-a366-f1a2c2e9b44f_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Matte_-_Ring_Engraving_38d3eea2-1ac6-4d67-a37a-4e699cb11876_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Matte_-_No_Engraving_a5bd64d0-33cc-4436-8102-a8d0df89d431_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Gloss_-_Ring_Engraving_46bd3d4a-386b-4a44-bb69-4140a37555f7_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Gloss_-_No_Engraving_a96478b4-37b0-4b5c-b8ec-d0570383ea9d_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Gloss_-_Ring_Engraving_c61973ad-6291-4896-972a-ceb5637752fd_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Gloss_-_No_Engraving_9ffce75d-0090-442c-871f-23c967075377_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Gloss_-_Ring_Engraving_11c8ec33-fe74-477d-91f4-d8b474a3d804_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Gloss_-_No_Engraving_67cc3686-bf80-4995-bfc8-7d8f2eede181_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Graphite_Texture_-_Ring_Engraving_a0dd7860-be26-4e7e-828d-b57d4585375f_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Graphite_Texture_-_No_Engraving_2c731f47-8601-451d-be75-2add9d1a946a_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Texture_-_Ring_Engraving_3033d15d-b15f-4179-8ed7-146d4e2dd124_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Texture_-_No_Engraving_306772f9-ca86-4181-895c-3c747cf4762f_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Texture_-_Ring_Engraving_2e05a52d-8195-46fd-8aa7-e70e7eea460e_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Texture_-_No_Engraving_b3e60946-f3e5-4ed2-8269-c8e1286c48f9_1000x.jpg?v=1660158805)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Brushed_-_Ring_Engraving_c197ebeb-c38f-4de3-9202-ab73db647b6c_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Brushed_-_No_Engraving_014cd5be-b340-467e-8440-8994b1904a23_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Beaded_-_Ring_Engraving_b7c67f32-2996-4f62-8e18-5091677455fc_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Beaded_-_No_Engraving_e298ca33-9681-4104-8f34-4c8190b7829f_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Translucent_-_Ring_Engraving_5a1dd25d-6b3d-45b6-8508-07ccd9f7b564_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Translucent_-_No_Engraving_5f425123-2246-4803-b0ce-22ad189b929f_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Blue_Translucent_-_Ring_Engraving_75170e22-bb84-4ae4-a0fd-3c4232fd9488_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Blue_Translucent_-_No_Engraving_ca11af3d-dac9-4698-897a-51d63601bee0_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Smoke_Translucent_-_Ring_Engraving_586d8344-58b8-4c22-9ad5-86b863dc53b8_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Smoke_Translucent_-_No_Engraving_4b10f337-f8d6-414e-9860-2e08fdc2c5b7_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Matte_-_Ring_Engraving_fbfc9344-7a05-4cc7-83f1-927be89b3122_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Matte_-_No_Engraving_efa2770b-fb59-45be-84ef-6f59c91896f2_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Matte_-_Ring_Engraving_8f71fb9c-7693-4426-9788-db98ffa84a75_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Matte_-_No_Engraving_e486d227-7f5c-412b-939b-f8e7abb86b88_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Matte_-_Ring_Engraving_116bb1e4-5507-411c-bbf8-020ee97da448_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Matte_-_No_Engraving_36bcba42-628b-41bb-a4c0-1e7aa20e93de_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Gloss_-_Ring_Engraving_c5304e8b-1f36-44ce-bf4b-3ff7a9873191_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Gloss_-_No_Engraving_4792de25-5878-4c7b-baf1-f70e06ba9ad8_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Gloss_-_Ring_Engraving_9bbe2734-f149-41f3-9ae9-4ba2c36c599a_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Gloss_-_No_Engraving_9ec15bbb-e39b-41f5-bbe9-10f1babd6760_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Gloss_-_Ring_Engraving_9377df68-8285-4955-a515-54175c7ad063_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Gloss_-_No_Engraving_18d91923-e0dd-4844-bd85-f9f07dac112a_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Graphite_Texture_-_Ring_Engraving_5be110fc-267d-434a-910a-417eabbf551e_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Graphite_Texture_-_No_Engraving_1a2a8583-19af-4d56-90e2-fa3fc51987fc_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Texture_-_Ring_Engraving_4adf1a25-8593-43d0-ba2f-a42fa49a9777_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Texture_-_No_Engraving_ed70e3ea-b9ff-4799-bb03-babc2241ea1a_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Texture_-_Ring_Engraving_48419bc8-aebb-4a02-af8d-2bfa76dfd7ed_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Texture_-_No_Engraving_605dcdae-1ddd-4dcc-a0cf-d47da042e9d9_1000x.jpg?v=1660161623)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Brushed_-_No_Engraving_3aaa4a72-2ff1-41af-a047-6113b5f5e80f_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Brushed_-_Ring_Engraving_8b7fcd62-8a84-45bb-98d9-62c6da1e9cbe_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Beaded_-_No_Engraving_c641f8ba-09bc-496e-bea0-d6f48734c827_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Beaded_-_Ring_Engraving_a8d05283-c671-4610-b6fc-25ed9b7bec35_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Translucent_-_No_Engraving_e2355e9d-6275-402c-8871-ea415d78d98d_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Translucent_-_Ring_Engraving_e1862012-d2e2-4d3c-93f4-c251d3084586_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Blue_Translucent_-_No_Engraving_991a8629-dda2-4df6-8d25-1d8b6e4aa230_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Blue_Translucent_-_Ring_Engraving_40715396-2eef-4e15-8578-cefc2f2b3993_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Smoke_Translucent_-_No_Engraving_d4d151e2-094c-4af4-a7ea-e828548143bb_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Smoke_Translucent_-_Ring_Engraving_880982ac-9f01-4c2e-9cc8-7736427f7862_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Matte_-_No_Engraving_4a718d54-355f-460b-8d73-f3664e46cd2f_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Matte_-_Ring_Engraving_4ab2e98a-3d85-42e7-8de6-64b41e0fc93c_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Matte_-_No_Engraving_cd3a5aa7-8cdb-42e6-aaca-edf0c32b70a9_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Matte_-_Ring_Engraving_3680a743-e18e-493a-a2f9-cc8c8f722894_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Matte_-_No_Engraving_af8f0a35-f743-424f-b904-f6598c1cd8a6_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Matte_-_Ring_Engraving_45ee4852-8692-4362-a3ac-14c3c1f72a8f_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Gloss_-_No_Engraving_58ed3819-a59a-4090-a647-dfa7dbfb6534_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Gloss_-_Ring_Engraving_1b208d96-d0d9-4f32-83e3-809604cc9b8b_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Gloss_-_No_Engraving_918e6d82-fa62-4102-a191-c173179d8913_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Gloss_-_Ring_Engraving_9c229f7f-0b8c-47ba-a7b6-1a0ddd79c68e_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Gloss_-_No_Engraving_9b7aa349-5af4-45d4-aee1-1e706c1c2a3f_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_White_Gloss_-_Ring_Engraving_ee79a864-24af-4893-98c3-3bf7e6cfc90e_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Graphite_Texture_-_No_Engraving_4e4d932c-1c3f-4d4a-ad1b-be6922e52f23_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Graphite_Texture_-_Ring_Engraving_22ac30fc-3c81-4ba7-b39f-0d4b2be2de50_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Texture_-_No_Engraving_8d65be44-f530-46da-9498-c5fb645158a5_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Red_Texture_-_Ring_Engraving_0649937f-cf7a-427a-9e90-43ac8ea5f911_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Texture_-_No_Engraving_2404e89f-edde-4ad9-bbc9-2223af390899_1000x.jpg?v=1666891280)
![Slammer - 5/16"-18 Adapter](http://raceseng.com/cdn/shop/products/Slammer_-_Black_Texture_-_Ring_Engraving_df78de40-793e-414f-9406-78b25ab44114_1000x.jpg?v=1666891280)
Slammer - 5/16"-18 Adapter
Color:Brushed
Engraving:
Engraving
Adapter:
Adapter
A union of mass and ergonomics. The Slammer is exactly what the name entails, the shape and 635 grams of mass makes for one of the most enjoyable shifting experiences.
WEIGHT - 1.4lbs
HEIGHT - 2.3 in
DIAMETER - 2.1 in
Frequently bought Together
![](http://raceseng.com/cdn/shop/files/Mass_Series_Thumbnail_4ce0fa78-5d2b-4bbe-9cd4-2ee922594b6c_1920x.jpg?v=1659634316)
SLAM GEARS IN COMFORT
The utilization of stainless steel creates a shift knob with mass to smooth out notchy shifting.
![](http://raceseng.com/cdn/shop/files/Boot_Collar_Block_-_Slammer_1400x.jpg?v=1659634487)
THE FINAL PIECE
Our shift boot collars were intentionally made to remove boot crack or saggy shift boots.